A coil has an inductance of 50 mH and a resistance of 0.24 Q. A 12V emf is applied across the coil. How many time constants will the energy stored in the magnetic field of the coil by the current takes to reach th of its equilibrium value? In 5 O In 3 In 4 O In 2

A coil has an inductance of 50 mH and a resistance of 0.24 Q. A 12V emf is applied across the coil. How many time constants will the energy stored in the magnetic field of the coil by the current takes to reach th of its equilibrium value? In 5 O In 3 In 4 O In 2

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter14: Inductance

Section: Chapter Questions

Problem 49P: A 10-H inductor carries a current of 20 A. How much ice at 0ºC could be melted by the energy stored...

See similar textbooks

Related questions

Q: At a certain instant the current flowing through a 5.0-H inductor is 3.0 A. If the energy in the…

Q: An emf of 0.80 Vv is induced across a coil when the current through it changes uniformly from 0.30…

Q: A solenoid 25.0 cm long and with a cross-sectional area of 0.500 cm2 contains 400 turns of wire and…

Q: A flux of 25 X10^5 Maxwell links with a 1500 turn coil when a current of 3 A passes through the…

Q: A closely wound rectangular coil of 100 turns has a dimension of 12.0cm x 25.0cm. In time t=0.0800 s…

A: Given, Number of turns of rectngular coil, N = 100dimension, 12.0 cm ×25.0 cmtime, t = 0.080 sit…

Q: The magnetic flux through a coil of wire containing two loops changes from -57.1 Wb to 17.7 Wb in…

A: Faraday's law of electromagnetic induction states that the magnitude of induced emf is equal to the…

Q: The magnetic flux that passes through one turn of a 18-turn coil of wire changes to 2.21 from 10.6…

Q: A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the…

A: Recall Faraday's law of electromagnetic induction ε=dϕ/dt

Q: A square coil of side 4 cm and 200 windings lies perpendicular to a magnetic field of 4.0 T. The…

A: Given: The side of the square is 4 cm. The number of winding is 200. The magnetic field is 4.0 T.…

Q: An oscillating LC circuit consisting of a 6.0 nF capacitor and a 2.0 mH coil has a maximum voltage…

A: The given data are:

Q: A toroidal solenoid has a radius of 10.0 cm and a cross-sectional area of 0.500cm2 a) How many turns…

A: Radius of toroid is, r = 10 cm Cross-sectional area is, A = 0.5 cm2 Inductance of toroid is, L =…

Q: At a certain instant the current flowing through a 5.0-H inductor is 3.0 A. If the energy in the…

Q: A magnet is placed into a coil. The induced emf across the coil is 10 mV. What would the emf be if…

A: The expression for the induced emf in the coil is ε=NBAω Here N is number of turns, B is the…

Q: In the figure, a 110-turn coil of radius 2.10 cm and resistance 6.80 N is coaxial with a solenoid of…

A: Number of turns , N = 110 Radius , r = 2.1 cm = 0.021 m Resistance , R = 6.8 Ω Number of turns per…

Q: Two coils close to each other have a mutual inductance of 29 mH. The current in one coil decays…

A: Given :- L = 29 mH I = I0 e-αt Io = 6A α = 1.5 * 10^3 s-

Q: A coil is connected in series with a 14.4 kQ resistor. An ideal 64.8 V battery is applied across the…

Q: A 28-turn circular coil of radius 4.20 cm and resistance 1.00 N is placed in a magnetic field…

Q: The figure below shows a flexible loop of metal wire with a radius of 15.0 cm. It lies in a magnetic…

A: Given Data : The radius of the ring is given as r=15cm×1m100cm=0.15m The magnetic field is given as…

Q: In the figure, a 140-turn coil of radius 0.019 m and resistance 6.5 2 is coaxial with a solenoid of…

Q: A 21-turn circular coil of radius 4.40 cm and resistance 1.00 n is placed in a magnetic field…

Q: The coil in an electromagnet has an inductance of 1.7 mH and carries a constant direct current of…

A: Given that, The inductance of a coil, L = 1.7 mH = 0.0017 H Initial value of current, Ii = 5.6 A…

Q: A 750-turn solenoid, 23 cm long, has a diameter of 2.7 cm . A 11-turn coil is wound tightly around…

A: Consider the number of turns of the solenoid be N, the radius of the solenoid be r, the length of…

Q: The figure below shows a flexible loop of metal wire with a radius of 10.0 cm. It lies in a magnetic…

Q: Two coils close to each other have a mutual inductance of 23 mH. The current in one coil decays…

Q: Coil 1 has L1 =25 mH and N1 = 100 turns. Coil 2 has L2 =40 mH and N2 200 turns. The coils are…

Q: The inductance of a closely wound coil is such that an emf of 3.00 mV is induced when the current…

A: The equation for the inductance of the coil can be obtained as Substituting the values gives the…

Q: The magnetic flux that passes through one turn of a 15-turn coil of wire changes to 4.72 from 8.90…

Q: A coil consists of 25 loops of wire and has a diameter of 10 cm. Its resistance is 0.1Ω. At t=0 it…

Q: An oscillating LC circuit consisting of a 6.0 nF capacitor and a 2.0 mH coil has a maximum voltage…

Q: A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the…

A: Given data *The magnitude of the induced emf on the coil is circle ecircle = 0.61 V *The given…

Q: A circular coil with 100 turns, a radius of 10 cm, and a resistance of 100 is placed perpendicular…

A: Determine the area of the coil.

Q: A coil with a self-inductance of 6.0 H is connected to a dc battery through a switch. As šooh as the…

Q: The flexible loop in the figure below has a radius of 13 cm and is in a magnetic field of strength…

Q: The figure below shows a flexible loop of metal wire with a radius of 13.0 cm. It lies in a magnetic…

A: Write a given value of this question. r=13cm=0.13mB=0.140Tdt=0.240sθ=0°

Q: A circular coil with a diameter of 12.75 cm is made up of thin wire wound into 445 turns. It is…

A: Given Diameter = 12.75 × 10-2 m Number of turn N = 445 Rate of change of magnetic field = dB/dt =…

Q: 8. A coil with an inductance of 1.5 H and a resistance of 10 Ais suddenly connected to an ideal…

A: Given data The inductance of the coil is L = 1.5 H. The resistance of the coil is R = 10 Ω. The emf…

Q: An electric current flows through a coil with an inductance of 6.7 mH. The graph shows the…

Q: A loop of area 225 cm2 has 24 turns of wire. It is in a magnetic field of strength 3.6 x 10-2 T. To…

Q: The figure below shows a flexible loop of metal wire with a radius of 15.0 cm. It lies in a magnetic…

Q: At the instant a current of 0.20 A is flowing through a coil of wire, the energy stored in its…

Q: A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the…

Q: The magnetic flux that passes through one turn of a 15-turn coil of wire changes to 4.72 from 8.90…

A: The expression for induced emf in term of change in magnetic flux and change in time duration is…

Q: At t = 0, an emf of 420 V is applied to a coil that has an inductance of 0.780 H and a resistance of…

A: Let the maximum current be io Given that Resistance (R)= 30 ohm Emf (E)= 420 v Inductance (L)= 0.780…

Q: An oscillating LC circuit consisting of a 6.0 nF capacitor and a 2.0 mH coil has a maximum voltage…

A: SOLUTION AS

Question

Send me handwritten solution or I will cancel the subscription

A coil has an inductance of 50 mH and a
resistance of 0.24 Q. A 12V emf is applied
across the coil. How many time constants will
the energy stored in the magnetic field of the coil
by the current takes to reach th of its
equilibrium value?
In 5
In 3
In 4
In 2

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 1 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

A 10-H inductor carries a current of 20 A. How much ice at 0ºC could be melted by the energy stored in the magnetic field of the inductor? (Hint: Use the value Lf= 334 J/g for ice.)
Suppose that a rectangular toroid has 2000 windings and a self-inductance of 0.040 H. If h = 0.10 m, what is the current flowing through a rectangular toroid when the energy in its magnetic field is 2.0 × 10-6 J?
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
Design a current loop that, when rotated in a uniform magnetic field of strength 0.10 T, will produce an emf =0 sin t. where 0=110V and 0=110V .
Two coils close to each other have a mutual inductance of 32 mH. If the current in one coil decays according to I=I0eat , where I0= 5.0 A and =2.0103s1 , what is the emf induced in the second coil immediately after the current starts to decay? At t=10.0103s? ?
The armature and field coils of a series-wound motor have a total resistance of 3.0 . When connected to a 120-V source and running at normal speed, the motor draws 4.0 A. (a) How large is tire back emf? (b) What current will the motor draw just after it is turned on? Can you suggest a way to avoid this large initial current?
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?
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?
A solenoid with 4 x 107turns/m has an iron core placed in it whose magnetic susceptibility is 4.0 x 103. (a) If a cent of 2.0 A flows through the solenoid, what is the magnetic field in the iron core? (b) What is the effective surface current formed by the aligned atomic current loops in the iron core? (c) What is the self-inductance of the filled solenoid?
Suppose you wish to produce 1.2-T magnetic field in a toroid with an iron core for which =4.0103 . The toroid has a mean radius of 15 cm and is wound with 500 turns. What current is required?
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?
A small, rectangular single loop of wire with dimensions 1, and a is placed, as shown in the plan of a much larger, rectangular single loop of wire. The two short sides of the larger loop axe so far from the smaller loop that their magnetic fields over the smaller fields over the smaller loop can be ignored. What is the mutual inductance of the two loops?