Answered: A coil consisting of 800 turns, very…

Science

Physics

A coil consisting of 800 turns, very closely spaced, has an inductance of 4mh and a current of 6mAmp. It is

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter14: Inductance

Section: Chapter Questions

Problem 14.5CYU: Check Your Understanding (a) What is the magnetic flux through one turn of a solenoid of self-...

See similar textbooks

Related questions

Q: The current in a coil drops from 3.5 A to 2.0 A in 0.50 s. If the average emf induced in the coil is…

Q: Calculate the reactance of a 9.0 mH inductor at: a) 40 Hz Xc = b) 400 Hz Xc = c) 4, 000 Hz Xc =

A: Given Data : The inductance of the inductor is given as L = 9 mH.

Q: A coil of inductance 88 mH and unknown resistance and a 0.94 mF capacitor are connected in series…

A: The capacitance,

Q: 4. A coil inductance 1 henry and resistance 10 ohms is connected in series with an e.m.f. of Eo sin…

Q: A direct current of 25A creates a flux of 1.4 X 10-4 Wb in a coil of 500 turns. What is the…

A: Given that, Current I = 25 A Flux ϕ=1.4×10-4 Wb Number of turns = 500

Q: A coil has 2.55-ΩΩ resistance and 121-mH inductance. If the current is 3.00 A and is increasing at…

Q: Suppose a 33 mH inductor has a reactance of 85 Ω. What would the frequency be in Hz?

Q: The mutual inductance between two coils is 3.25 mH. A changing current in the primary coil resulted…

A: The induced emf is given by e= Md idt where, M is the mutual inductance, and di/dt is the rate of…

Q: An emf of 5.7 x 10 -3 V is induced in a coil while the current in a nearby coil is decreasing at a…

A: Using the relation between induced emf and iductance,

Q: At t = 0, an emf of 500 V is applied to a coil that has an inductance of 0.800 H and a resistance of…

A: Values given in the question are as follow; ε=500 VR=30 ΩL=0.8 H Maximum current; Io=εRIo=500…

Q: What is the inductance of a coil in which the average emf induced is 21V when the current in the…

Q: How fast can the 150 A current through a 0.250 H inductor be shut off if the induced emf cannot…

A: Given: Current, i = 150 A inductance, L = 0.25 H Voltage, V = 75 V

Q: What value of inductance should be used if a 20.0 k2 reactance is needed at a frequency of 500 Hz?

Q: An emf of 8V is induced in a given coil when the current in it changes at the rate of 32 A/ sec.…

A: Given data: Induced emf, ε=8V Current, dIdt= 32 A/sec

Q: A coil of inductance 0.5H and resistance 100n is connected to a 240V,50HZ ac supply. a) What is the…

A: Given value--- inductance = 0.5 H. resistance = 100 ohm. Voltage = 240 V frequency = 50 Hz. We…

Q: The current in a coil changes from 3.60 A to 1.90 A in the same direction in 0.510 s. If the average…

A: Given data : Current , I1 = 3.60AI2 = 1.90A…

Q: A transformer consists of two coils of wire wound on a common toroidal iron core. The mutual…

Q: Two single-turn coils are magnetically coupled with a mutual inductance of 3.06 x 105 H. If a mutual…

A: number of turns in each coil = 1 Mutual inductance = 3.06×10-5 H new mutual inductance = 8.89 mH

Q: What is the self-inductance of a coil whose reactance is 10 Ω at 60 Hz?

Q: A coil has an inductance of 0.81 mH and a resis connected to a 21 V battery. After how many tim…

A: GivenL=0.81 mHR=0.65 ohmV=21 V

Q: Find the energy stored in a 6.8-mH inductor when the current is 3.7 A.

A: Given, Inductance(L) = 6.8*10-3 Current(I) = 3.7 Ampere

Q: a circuit having an inductance of L=2mH has a current that varies with time as I=t^3e^-t. find the…

A: Emf induced can be given by, ∈=LdIdt where L is inductance and I is current and t is time. To be…

Q: Calculate the self-inductance of a 10.0 cm long, 4.00 cm diameter solenoid that has 200 coils.

A: The expression for find self-inductance of the coil is L=μ0N2Al=μ0N2πr2l

Q: The current in a coil drops from 3.4 A to 2.4 A in 0.49 s. If the average emf induced in the coil is…

Q: A thin wire is tightly wrapped around a dowel (a wooden cylinder of radius 5.49 cm, length 0.28 m)…

A: Given that: Radius of the cylinder, r= 5.49 cm = 0.0549 mLength, l= 0.28 mNumber of turns in each…

Q: How many turns of the coil are required in order to produce 2 V of induced voltage at the rate of 5…

A: Given data: Induced voltage is, ε=2 V. Rate of change of magnetic flux is, dϕdt=5 wb/s.

Q: The inductance of a closely packed coil of 400 turns is 6.5 mH. Calculate the magnetic flux (per…

A: The coil with 400 turns can be considered as a solenoid. The expression for inductance of a solenoid…

Q: How many turns should a solenoid of cross-sectional area0.035 m2 and length 0.32 m have if its…

A: The solenoid’s cross-sectional area is, The solenoid’s length is, The inductance of a solenoid is,

Q: Calculate the inductance of a solenoid that is 1.5 cm long and 3.0 mm in diameter, with 300 turns of…

A: Given data: Length of the solenoid, l = 1.5cm = 0.015m Diameter of the solenoid, d = 3mm =…

Q: Two coils have a mutual inductance of 2.34 x 10 H. The current in the first coil increases at a…

Q: An emf of 9.7 × 10−3 V is induced in a coil while the current in a nearby coil is decreasing at a…

A: ε1=-MdI2dtM=-ε1dI2dt

Q: The mutual inductance between two coils is 3.25 mH. A changing current in the primary coil resulted…

A: Given data: Mutual inductance of the coil L =3.25mH Current I =5.45mA Resistance R =9 ohms

Q: An EMF of 16 V is induced in a coil of inductance 4 H. The rate of change of current must be

Q: If the peak value of a 60Hz generator is 160V, what is the instantaneous voltage after the loop has…

A: Given data The frequency of the generator is given as f = 60 Hz. The Peak value of the generator is…

Q: Physics The heating coils in a hair dryer are 0.800 cm in diameter, have a combined length of 1.00…

A: in this question we get inductance , energy and emf.

Q: A loop of wire has a self-inductance of 5.5 mH. You pass a current of 9.0 Amps though the loop, and…

A: Given Self- Inductance of loop ( L) = 5.5 mH = 5.5 × 10-3 H…

Q: A voltage of 0.35 V is induced across a coil when the current through it changes uniformly from 0.1…

Q: How many turns of wire would be required to make a 150 mH inductance out of a 20.0 cm-long…

A: Given data : self inductance of coil, L = 150 mH = 0.150 HLength of coil, l = 20.0 cm = 0.2 m…

Q: A long straight, cylindrical, air-core solenoid has a diameter of 8.00 cm. It is 60.64 cm in length…

Q: The inductance of a closely packed coil of 400 turns is 8.0 mH. Calculate the magnetic flux through…

Q: Connecting a 0.4H self-inductance and a 6 ohm resistance to a K.D.K battery. It has 18 volts. The…

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

A coil consisting
of 800 turns, very
closely spaced, has
an inductance of
4mh and a current
of 6mAmp. It is
the magnitude of
the magnetic flux
penetrated by it:

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

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

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

Since the equation for torque on a current-carrying loop is =NIABsin, the units of N .m must equal units of A. m2T. Verify this.
Check Your Understanding Shown below is a rod of length l that is rotated counterclockwise around the axis through O by the torque due to mg . Assuming that the rod is in a uniform magnetic field B , what is the emf induced between the ends of the rod when its angular velocity is ? Which end of the rod is at a higher potential?
Show that the self-inductance per unit length of an infinite, straight, thin wire is infinite.
Check Your Understanding. A current I(t)=(5.0A)sin((200rad/s)t) flows through the solenoid of part (b) of Example 14.1. What is the maximum emf induced in the surrounding coil?
Two long, parallel wires cy equal currents in opposite directions. The radius of each wire is a, and the distance between the centers of the wires is d, Show that if the magnetic flux within the wires themselves can be ignored, the self-inductance of a length 1 of such a pair of wires is L 0 l in d1 a (Hint Calculate the magnetic flux through a rectangle of length 1 between the wires and then use L=N/I
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.
The magnetic flux through the loop shown in the accompanying figure varies with time according to m=2.00e3tsin(120t) , where m is in milliwebers. What are the direction and magnitude of the current through the 5.00 resistor at (a) t= 0; (b) t=2.17102 s and (c)t=3.00 s?
Chek sour Understanding A closely und coil has a radius of 4.0 cm. 50 turns, and a total ieslstancc of 40 . At what rae must a magnetic field peipendicular lathe face of the coil change En euler to prodice Joule hearing in the cull a a tale of 2.0 mW
In the circuit sho in the accompanying figure, the rtd slides along the conducting rails at a constant VelOCity v. The velocity is in the same plane as the rails and directed at an angle 6 to them. A uniform magnetic field Bis directed out of the page. What is the emf induced in the r?
Check ‘sour Und.rtanding Find the dhectlon of the hiduced cunent n the wire loop shoii below as the magnet enteis, passes though, and leaves the Loop.
Check Your Understanding Using Example 12.5, at what distance would you have to move the first coil to have zero measurable magnetic field at point P?
Check Your Understanding (a) What is the magnetic flux through one turn of a solenoid of self- inductance 8.0 × 10-5 H when a current of 3.0 A flows through it? Assume that the solenoid has 1000 turns and is wound from wire of diameter 1.0 mm. (b) What is the cross-sectional area of the solenoid?