ge as9. An electromotive force120, 0sIs 20E(t)3=1> 20is applied to an L-R series circuit in which the inductance isthe resistance is 2 ohms. Find the current i(t) if i(0) = 0.%3D20. Suppose an R-C series circuit has a variable resistor. If theany time t is given by R =k, + k,t, where k, > 0 and k >constants then (O

Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…

An electromotive force E(t) = {120 (120, 0SIS 20 1 > 20 is applied to an L-R series circuit in which the inductance i the resistance is 2 ohms. Find the current i(t) if i(0) = 0. Suppose an R-C series circuit has a variable resistor. If th any time t is given by R = k₁ + k₂t, where k, >0 and k2

An electromotive force E(t) = {120 (120, 0SIS 20 1 > 20 is applied to an L-R series circuit in which the inductance i the resistance is 2 ohms. Find the current i(t) if i(0) = 0. Suppose an R-C series circuit has a variable resistor. If th any time t is given by R = k₁ + k₂t, where k, >0 and k2

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter14: Inductance

Section: Chapter Questions

Problem 52P: In Figure 14.12, =12V , L = 20 mH, and R=5.0. Determine (a) the time constant of the circuit, (b)...

See similar textbooks

Related questions

Q: Find the momentum Mass=0.99 kg Velocity=1.1 m/s

A: mass(m)=0.99 kg velocity(v)=1.1 m/s momentum(p)=mv

Q: A 39.0-kg woman stands

Q: Calculate load can be applied at other end ?

A: Given. Load of lever,= 200 cmEffort= 20 kgfEffort at arm= 50 cm Calculate the laod can be applied…

Q: A mass of 3.0 ?? is attached to a spring of spring constant ? = 185 ?/? resting on a horizontal…

Q: A box with a mass of 5 kg is moving with acceleration of 0.5 m/s². Find the force applied to this…

Q: A block of mass 2.0 kg is moving to the right and changes its speed from 3.0 m/s to 1.0 m/s. Match…

A: Given data: Mass (m) = 2.0 kg Initial velocity (Vi) = 3.0 m/s Final velocity (Vf) = 1.0 m/s…

Q: 9. A ball is thrown vertically upward from the ground with an initial speed (9.8 m/s). The maximum…

Q: select an amusement park ride and discover the principles of physics that allow this ride to work

A: An amusement park ride we discover and learn physics like, moment of inertial, centripetal force and…

Q: original length of 5cm. The string is bulled by a 70 N force. If the final ength of the spring is…

Q: What would be the mass of an object that weight 320 N ? Given g = 9.8 m/s-2

A: Introduction : In this question we are provided it value of acceleration due to gravity and weight…

Q: Three identical balls are thrown with the same speed. Ball A is thrown vertically upward, ball B is…

A: Given Three identical balls are thrown with the same speed i.e vA = vB = vc Ball A is thrown…

Q: ********* In the figure below, the current in the long, straight wire is I₁ = 9.00 A and the wire…

Q: Find the impulse Force=0.2123 N Time 30 s

Q: Graph and identify the resultant vectors and measures of an angle. 1. G= 15 M, EAST H = 12 M, NORTH…

Q: In the figure the current in resistance 6 is i6 = 1.49 A and the resistances are R₁ = R₂ = R3 =…

A: First, we note in V4, that the voltage across R4 is equal to the sum of the voltages across R5 and…

Q: Find the Area Pressure=20 N/cm2 Force 10 N

Q: Indicate which of the following will produce a magnetic field: (a) A magnet (b) The Earth (c) An…

A: According to Ampere,A magnetic field is created when electric charge is in motion. a) Magnet A…

Q: (a) A device consists of an object with a weight of 25.0 N hanging vertically from a spring with a…

Q: An electric heater of Power 147 W has . of Find the magnitude of current. 352. Find the a resistance

A: Introduction : In this question we are provided it value of resistance and power . With these data…

Q: FInd the total resistance

A: The circuit diagram is shown below.

Q: 1. A Ferris wheel with a diameter of 36.0 m starts from rest and achieves it maximum operational…

Q: The uniform 18-m pole has a mass of 200 kg and is supported by its smooth ends against the vertical…

Q: A stretched string fixed at each end has a mass of 47.0 g and a length of 8.20 m. The tension in the…

A: Visualize the Problem:

Q: Compute Impulse Force 12.145 N Time=0.88 s

A: Given in question: Force(F) = 12.145 Newton Time(t) = 0.88 seconds…

Q: A box with mass of 8 kg is released from rest on a surface that exerts friction on the box. The…

Q: The angle of incidence is always to the angle of reflection.

A: The incident rays comes with some angle and it is known as incidence angle. The reflected ray comes…

Q: Jake grabs a can of soda from the closet and pours it over ice in a cup. Determine the amount of…

A: We have an ice in a cup of mass m=40 g=0.04 kg which melts due to some soda that is poured into the…

Q: Given that the wave yn = sin (2x - 50t) is superposed with the wave ym = sin (2x + 50t). Define:…

A: Given: yn = sin (2x - 50t) ym = sin (2x + 50t)

Q: (II) How many kWh of energy does a 550-W toaster use in the morning if it is in operation for a…

Q: 5. A car slows down from (v-20 m/s) to (= 10 m/s) in 5s. The car acceleration is: a) 2 m/s² b) 4…

Q: 9. A ball is thrown vertically upward from the ground with an initial speed (9.8 m/s). The maximum…

A: Given data : Acceleration due to gravity=g Initial velocity=U Final velocity=V Required : Maximum…

Q: Find the pressure Force=0.2 N Area=0.1 cm2

A: Given data : Force=F Area=A Required : Pressure

Q: 7.) (Based on Neamen, Problem 14.16) - A solar cell at room temperature has a reverse saturation…

Q: Calculate the value of force applied if work done is 190 J and displacement is 12 m.

Q: Two point charges are located on the y-axis. One is at y = 1.00 m, the other is at y = -1.00 m, and…

A: Given : Two charges are located at y = 1 m and -1 m . Both have charge , q = 2.40 × 10-6 C Potential…

Q: why is the sun hot?

A: Sun can be defined as the star at the centre of the solar system, it is also called a heavenly body…

Q: Accelerating a car with a mass of 1200 kg uniformly from 0 m/s to 27.0 m/s in 10.0 s requires a net…

Q: Find the impulse Force=0.2123 N Time=30 s

Q: Compute Impulse Force 12.145 N Time=0.88 s

A: Data provided: Force (F) = 12.145 N Time (t) = 0.88 s Asked: Impulse (I)

Q: Taeyang whose mass is 45 kg steps on a weighing scale in an elevator. If the scale reads 460 N,the…

Q: A car is moving at a speed of 5 m/s in 4 s, he increases its speed to 15 m/s. What is acceleration ?

A: Introduction : In this question we are provided it value of time taken , initial velocity and final…

Q: Analyze the position over time graph below. Which segments(s) show a non-zero constant velocity.…

A: in this question we analyze the graph .

Q: Two large steel spheres tap into each other slowly, yet manage to exert a force on each other that…

A: Write the given data. F=4000 N

Q: Find the impulse Force=0.2123 N Time 30 s

A: Given data : Force=F Time=t Required : Impulse

Q: What is a free-body diagram .A It's a sketch of a moving body that shows internal forces of the body…

A: Question: What is a free-body diagram?

Q: (a) A cosmic-ray proton in interstellar space has an energy of 21.0 MeV and executes a circular…

A: a) Charge of a proton q = 1.6*10-19c Given, energy E = 21.0MeV = 20.1*106eV E…

Q: 18. (II) Two aluminum wires have the same resistance. If one has twice the length of the other, what…

A: Given data: Resistance of wire 1= R Resistance of wire 2= R Length of wire 1= L Length of wire 2=2L…

Q: A bicycle is travelling at 37 km/hr and suddenly the rider applys the brakes. What is the…

Q: Calculate the voltage if the resistance is 22 ohms and the current is 10 A ?

A: Introduction : In this question we are provided it value of current and resistance . With these…

Q: The graph of voltage (independent variable) vs current (dependent variable) should have voltage on…

A: Solution:-

Concept explainers

Voltage Across Inductor

An actor is a passive electrical component that consists of a coil bent in the form of wire which uses electromagnetism to produce electric current through the coil. When the electric current flows through a conductor that is the coil, a magnetic flux is developed around the conductor. This flow of current through the coil creates a magnetic field based on Fleming's Right-hand thumb rule. If there is any decrease in the current passing through the inductor, then the magnetic field will also decrease and energy is released through the generation of electric current. There is also a secondary voltage inducing in the same coil due to the magnetic flux, since it opposes any changes in the electric current flowing through the circuit. An inductor is also called choke, coil, or solenoid. A choke is designed to block certain frequencies when the DC current passes. A winding coil is coated with insulation to give extra insulation and protect the circuit. They are usually tightly wrapped around a central core which is cylindrical in nature so that the magnetic flux can be induced. The solenoid is a three-dimension coil that is used to exhibit electromagnetism when the magnetic field is developed due to the current flowing through the coil. The sign convention of the inductor is the same as the power dissipating device. When the current flows into the positive side of the voltage across the inductor, the value is positive and the inductor dissipates power whereas when the inductor releases the power back to the circuit, the current has a negative sign convention. 

Question

ge as
9. An electromotive force
120, 0sIs 20
E(t)3=
1> 20
is applied to an L-R series circuit in which the inductance is
the resistance is 2 ohms. Find the current i(t) if i(0) = 0.
%3D
20. Suppose an R-C series circuit has a variable resistor. If the
any time t is given by R =
k, + k,t, where k, > 0 and k >
constants then (O

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Introduction:

VIEW

Calculate current:

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

Check Your Understanding What happens to the resonant frequency of an RLC series circuit when the following quantities are increased by a factor of 4: (a) the capacitance, (b) the self-inductance, and (c) the resistance?
An LC circuit in an AM tuner (in a car stereo) uses a coil with an inductance of 2.5 mH and a variable capacitor. If the natural frequency of the circuit is to be adjustable over the range 540 to 1600 kHz (the AM broadcast band), that range of capacitance is required?
At s1iat frequency is the reactance of a 20F capacitor equal to that of a 10-mH inductor?
A steady current flows through a circuit with a large induct3ve time constant. When a switch in the circuit is opened, a large spark across the terminals of the switch. Explain.
Check Your Understanding (a) If the current in the circuit of in Figure 14.12(b) increases to 909 of its final value after 5.0 s, what is the inductive time constant? (b) If R=20 , what is the value of the self-inductance? (c) If the 20 resistor is replaced with a 100 resister, what is the time taken for the current to reach 90% of its final value?
The self-inductance and capacitance of an oscillating LC circuit are L = 20 mH and C = 1.0 F , respectively. (a) What is the frequency of the oscillation? (b) If the maximum potential difference the plates of the capacitor is 50 V, what is the maximum current in the circuit?
A 2.0-F capacitor is charged to a potential difference of 12.0 V and then connected across a 0.40-mH inductor. What is the current in the circuit when the potential difference across the capacitor is 6.0 V?
Check Your Understanding The resonant angular frequency of an RLC series circuit is 4.0102 rad/s. An ac source operating at this frequency transfers an average power of 2.0102W to the circuit. The resistance of the circuit Is 0.50 Q. Write an expression for the emf of the source.
In an oscillating LC circuit the maximum charge on the capacitor is 2.0 × 10-6 C and the maximum current through the inductor is 8.0 mA. (a) What is the period of the oscillations? (b) How much time elapses between an instant when the capacitor is uncharged and the next instant when it is fully charged?
Check Your Understanding The angular frequency of the oscillations in an LC circuit is 2.0103rad/s . (a) If L = 0.10H, what is C? (b) Suppose that at t = 0, all the is stored in the inductor. What is the value of ? (c) A second identical capacitor is connected in parallel with the original capacitor. What is the angular frequency of this circuit?
Check Your Understanding In the circuit of Figure 15.11, L=2.0103H,C=5.0104F , and R=40 (a) What is the resonant frequency? (b) What Is the Impedance of the circuit at resonance? (c) If the voltage amplitude is 10 V, what is i(t) at resonance? (d) The frequency of the AC generator is now changed to 200 Hz. Calculate the phase difference between the current and the emf of the generator. The ac circuit shown in Figure 15.11, called an RLC series circuit, is a series combination of a resistor, capacitor, and inductor connected across an ac source. It produces an emf of Figure 15.11 (a) An RLC series circuit, (b) A comparison of the generator output voltage and the current the value of the phase difference depends on the values of R, C, and L.
Describe what effect the resistance of the connecting wires has on an oscillating LC circuit.