Initially, a circuit is composed of a DC source and two resistors, R₁ and R₂, connected in series across the said DC source. The circuit current in this connection is lold. Now, both terminals of R1 are to be connected to each other. The current in this new circuit is /new. Which of the following is true? O (The exact values of R₁ and of R₂ should be given to be able conclude about the relationship between lold and /new) Olold = Inew Olold < Inew Olold > Inew
Q: A 0.500 kg aluminum pan on a stove is used to heat 0.250 liters of water from 20.0 C to 80.0 C. How…
A: Given: The volume of the water is 0.25 L. The mass of aluminum is 0.5 kg The initial temperature of…
Q: Determine the equivalent resistance between terminals a and b. ww 10 ohms a ww 15 ohms 20 ohms…
A:
Q: A point charge +2Q is at the origin and a point charge -Q is located along the x axis at x = d as in…
A: The force due to the first charge is given by, F1→ = keQ(2Q)d2j^=2keQ2d2j^ The force due to the…
Q: Draw a diagram. Determine the wavelength and frequency of the light emitted from the source.
A:
Q: Question 16 For the circuit shown below, determine the power consumed by battery 1's internal…
A:
Q: explain how beta and gamma radiation can be detected in a medical setting
A:
Q: 1. How does electricity affects our lives? 2. What makes a material a better conductor than another…
A:
Q: Current Attempt in Progress High-voltage power lines are a familiar sight throughout the country.…
A: Given: The resistivity of the aluminum is 2.82x10-8 Ohm.m. The cross-sectional area is 7.3x10-4 m2.…
Q: The coefficient of performance of the heat pump used as a cooler (illustrated below) is x-3. What is…
A: Given: The coefficient of performance is 3.
Q: Complete the table with correct answers. Write your solutions below. 1. Use the Conventional way of…
A:
Q: Find the work done to displace body of mass by 3 kg with force of 1.3 N upto 2 m
A: Answer:- Given Mass of a body (m) = 3 kg Force (F) = 1.3 N Distance (S) = 2 m Work done (W) = ?…
Q: A 4.56kg mass is placed on a 67° inclined plane with a coefficient of kinetic friction of 0.21…
A: Draw the free-body diagram of the system.
Q: Which of the following is true regarding resistors in a series connection? The answer cannot be…
A: Given data: The resistors are connected in series combination
Q: 0, the voltage across a 1002 resistor connected to an AC voltage source cos(2π(50Hz)t) is 6V. What…
A: Resistance (R) = 10 ohm V at t =0 sec is 6 volts V(t) = 6 V cos(2π(50Hz)t)
Q: Find the heat absorbed by 2 kg of air which heated from 50 °C to 100 ºC at constant volume. Find…
A: Given mass m = 2 kg Initial temperature T = 50o C = 50 + 273 = 323 K Final tempertaure T' = 100oC =…
Q: What is the velocity of a 5000 kg truck whose kinetic energy is 360 kJ? O 144 m/s O 43 m/s O 31 m/s…
A: Write the expression for the kinetic energy. Here, m represents the mass and v represents the…
Q: A rocket is launched upward. The height of the rocket was 54.7 ft at the end of the thrust portion…
A: height of rocket at the end of thrust portion = 54.7 ft time of flight after the thrust portion = 19…
Q: The figure shows a particle that carries a charge of qo= -2.55 x 106 C. It is moving along the +y…
A: Lorentz force
Q: 2. A sample gas occupies a volume of 200 mL at 1 atm. what is the new volume of this gas if the…
A:
Q: A wire with mass 50 g is stretched so that its ends are tied down at points 90 cm apart. The wire…
A:
Q: 4. Give two examples of state functions. 5. Define an adiabatic process. 6. Write the equation for…
A: Examples of state functions: Density, Internal energy, Enthalpy
Q: Which of the following is true regarding the equivalent resistance of parallel-connected resistors?…
A:
Q: A motorboat maintained a constant speed of12 miles per hour relative to the water in going 21 miles…
A: Write the given values with the suitable variables. u=12 mi/hrd=21 mit=8 hr Here, u is the speed of…
Q: Determine the equivalent resistance between terminals a and b. R1 ww 10 Ohms R4 R2 ww 10 Ohms R5 R3…
A: This question can be easily solve by using the parallel and series combination of resistance. Since…
Q: Which of the following is a correct interpretation of Gauss's Law? * In a closed Gaussian surface,…
A:
Q: The vertical position, y, of any point on a rope that supports a transvere wave travelling…
A:
Q: Consider a two-slit interference pattern formed on a screen 1.2 m away from the slits. The slits are…
A:
Q: A Van de Graaff generator is a machine used to accumulate a very large amount of excess charge. It…
A:
Q: Two slits are 0.184 mm apart. A mixture of red light(the wavelength 665 nm) and yellow-green light(…
A: Given that The wave length of the red light, λred=665 nm=665×10-9 m The wave length of the yellow…
Q: A conductor shown in the figure carries a current I. Determine the magnitude and the direction of…
A:
Q: speed v0. In this problem we are assuming that the ground is level. Find the time tH it takes the…
A:
Q: Consider n parallel-connected resistors each having resistance of R. Which of the following is true…
A: Given data: n resistors are connected in parallel combination Resistance of each resistor = R…
Q: Compute the momentum value Mass of object=1.22 kg Velocity=2 m/s
A: Given data : Velocity=V Mass=m Required : Momentum
Q: A mass M is released from a height H, it strikes a a mass m = 1.5M. If the impact is perfectly…
A: first mass = M initial height = H second mass = m m = 1.5 M collision = Inelastic
Q: The magnetic field inside a wire of radius R, carrying total current I is given by B(r) HoI 2π R¹…
A:
Q: A Tesla coil consists of a long solenoid with length L = 0.5 m that is closely wound with N1 = 1000…
A: Given data: The length of solenoid is L=0.5 m. The number of turns are, N1=1000N2=10 The area of…
Q: Two children fighting over a 2.21 kg toy pull on the toy in different directions. One child pulls…
A:
Q: Determine the speed of car Distance-33.66 km Time=2 hr
A:
Q: For the circuit shown below, determine the power consumed by battery 1's internal resistance. ○…
A:
Q: What is the kinetic energy of a 900 kg car whose velocity is 16.67 m/s? O 15.0 kJ 125 kJ 12.5 kJ O…
A: Given Mass of car = m = 900 kg Velocity = v = 16.67 m/s We have to calculate the kinetic energy of…
Q: Your seatmate's glasses appear greenish (500 nm) when white light reflects from it. What is the…
A:
Q: 1. What uniform magnetic field, applied perpendicular to a beam of electrons moving at 1.9 x 106…
A:
Q: Determine the equivalent resistance between terminals a and b. R1 1 Ohm O 6.2714 Q 6.2987 Q 6.3333 Q…
A:
Q: . Use the Kirchoff's Laws for the Circuit
A: Kirchoff's tells us about the current distribution in the circuit .1.KCL and 2.KVL ANS: Here the…
Q: THIS IS THE PART I NEED: Part A) Find the kinetic energy of an electron with a de Broglie wavelength…
A:
Q: An object moves along the x-axis according to the equation x(t) = (3.00 ² -2.00 +3.00) m, where t is…
A:
Q: Two uniform spheres are positioned as shown. Determine the gravitational force F which the titanium…
A: R = 30mm = 0.03m a =3.7 b =2.1 θ =3.9° The volume of the titanium sphere is written VT = 4/3…
Q: Explain the relationship of current, voltage and resistance. Relate them using magnet, battery and…
A:
Q: Three charged metal spheres, 9₁ = -5.42 nC, 92= 3.08 nC, and q3 = -2.56 nC, are arrayed in the xy…
A: Given : q1= -5.42 nC= -5.42×10-9 Cq2= 3.08 nC= 3.08×10-9 Cq1= -2.56 nC= -2.56×10-9 CSide length of…
Q: Davie flexed his lowest bass guitar with strings of length 1.00m between fixed points. One string,…
A: Given Linear mass density of the string is μ=60.0 g/m=60.0×10-3 kg/m Fundamental frequency is…
Step by step
Solved in 2 steps with 2 images
- Consider a circuit that consists of a real battery with an emf and an internal resistance of r connected to a variable resistor R. (a) In order for the terminal voltage of the battery to be equal to the emf of the battery, what should the resistance of the variable resistor be adjusted to? (b) In older to get the maximum current from the battery, what should the resistance variable resistor be adjusted to? (c) In order for the maximum power output of the battery to be reached, what should the resistance of the variable resistor be set to?An unloaded capacitor and a resistor are connected in series as in the figure. At t=0, the switch is closed. If E=36V, C=15 mF and R=24x105 ohm, the circuita) find the time constant the maximum charge on the capacitor and the maximum current in the circuit?b) Express the load and current as functions of time.Consider the RC circuit in the figure below. The switch was at position a for a long period of time and is switched to position b at time t = 0. A) Suppose R=415Ω, C=2.5μ F, and Vb=4.5 V. What will be the voltage drop across the resistor at t=2.1 ms? B) How much energy in total will eventually be dissipated by the resistor? C) Now suppose that the switch has been at position b for a long time and is switched to position a at t = 0 s. What will be the voltage drop across the capacitor after 2.1 ms?
- An RC circuit has an emf of 10 sin t (volts), a resistance of 100 ohms, a capacitance of 0.005 farad, and no initial charge on the capacitor. (a)what is the differential equation governing the amount of charge on the capacitor? (b) what is the integrating factor of it?(c) what is the charge on the capacitor at any time t? (d)what is the current in the circuit at any time t?Part (a) Calculate the maximum charge, in coulombs, on the capacitor. Q = ______ C Part (b) The switch is now moved to position b. What is the magnitude of the instantaneous current, in amperes, through resistor at the instant the switch makes contact with terminal b? I = ______ A Part (c) With time measured from the instant that switch S is closed in position b, enter an expression for the voltage across the capacitor as a function of time. V(t) = ______ Part (e) With time measured from the instant that switch S is closed in position b, calculate the time, in seconds, when the charge on the capacitor is one-half of its maximum value. t1/2 = ______ s Part (f) Calculate the current through the resistor, in amperes, at time t=85.5ms after the switch is closed in position b. I = ______ AAn initially uncharged capacitor with a capacitance of C = 5.00 µF is connected in series with a resistor with a resistance of R = 4.5 k. If this series combination of circuit elements is attached to an ideal battery with an emf of Ɛ = 450 V by means of a switch S that is closed at time t = 0, then answer the following questions. (a) What is the time constant of this circuit? (b) How long will it take for the capacitor to reach 75% of its final charge? (c) What is the final charge on the capacitor?
- To get the maximum current, the connection should be in parallel. If you create a parallel connection with 30V DC source and three resistors with R1 = 50Ω, R2 = 75Ω, and R3 = 100Ω, how do you calculate for the total current (IT) and the current flowing in each resistor (I1, I2, I3), and the total voltage (VT) and the voltage across each resistor (V1, V2, V3)? How do you also determine the power dissipated by each resistor (P1, P2, P3) and by the whole circuit (PT)??Consider a circuit that consists of a real battery with an emf ε and an internal resistance of r connected to a variable resistor R. (a) In order for the terminal voltage of the battery to be equal to the emf of the battery, what should the resistance of the variable resistor be adjusted to? (b) In order to get the maximum current from the battery, what should the resistance variable resistor be adjusted to? (c) In order for the maximum power output of the battery to be reached, what should the resistance of the variable resistor be set to?Considering the same circuit, only with the switch thrown from b to a at time t = 0 after having been in position b for a long time. DATA: Vb = 12 V, C = 10 µF, R = 20 Ω.a.) What is the curnent through the resistor just BEFORE the switch is thrown?b.) What is the current through the resistor just AFTER the switch is thrown?c.) What is the charge across the capacitor just BEFORE the switch is thrown?d.) What is the charge on the capacitor just AFTER the switch is thrown?e.) What is the charge on the capacitor at at time t = 0.3 msec after the switch is thrown?
- To get the minimum current, the connection should be in series. If you create a series connection with 30V DC source and three resistors with R1 = 50Ω, R2 = 75Ω, and R3 = 100Ω, how do you calculate for the total current (IT) and the current flowing in each resistor (I1, I2, I3), and the total voltage (VT) and the voltage across each resistor (V1, V2, V3)? How do you also determine the power dissipated by each resistor (P1, P2, P3) and by the whole circuit (PT)??At time t=0, the switch in the circuit shown in the figure is closed. After a sufficiently long time, steady currents I1 ,I2 and I3 flow through resistors R1 ,R2 and R3 , respectively. Determine these three currents.Consider the circuits bellow. For each circuit: a) Assign and label the direction of the currents. b) How many currents did you label? How many equations do you need to find them? c) Write down the Kirchhoff rule for the junctions. How many independent equations do you have? d) How many loop equations do you need? e) Write down the necessary loop equation. You don’t have to solve them.