If in a coil rate of change of area is 5...

If in a coil rate of change of area is `5m^(2)//millisecond` and current become `1 amp` from `2 amp` in `2xx10^(-3)` sec. magnitude of field id `1 teslsa` then self-inductance of the coil is

A

`2H`

B

`5H`

C

`20H`

D

`10H`

Text Solution

Verified by Experts

The correct Answer is:

D

Topper's Solved these Questions

ELECTROMAGNETIC INDUCTION
TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos
ELECTROMAGNETIC INDUCTION
TARGET PUBLICATION|Exercise CRITICAL THINKING|84 Videos
ELASTICITY
TARGET PUBLICATION|Exercise Evaluation test|14 Videos
ELECTROSTATICS
TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

If in a coil rate of change of area is (5meter^(2))/(milli second) and current become 1 amp from 2 amp in 2xx10^(-3) sec. if magnetic field is 1 Tesla then self-inductance of the coil is

When current in a coil changes to 2 ampere from 8 ampere in 3xx10^(-3) , the e.m.f. induced in the coil is 2 volt. The self-inductance of the coil in millihenry is

The current in a coil changes from 0 to 2 A in 0.05 sec. If the induced e.m.f is 80 V, the self inductance of the coil is

When current in a coil changes from 5 A to 2 A in 0.1 s, average voltage of 50 V is produced. The self - inductance of the coil is :

A varying current in a coil change from 10A to 0A in 0.5 sec . If the average emf induced in the coil is 220V , the self inductance of the coil is

When the current in a coil changeg from 8 amperes to 2 amperes in 3xx10^(-2) seconds, the e.m.f. induced in the coil is 2 volt. The self-inductance of the coil (in millihenry) is

When the current in a coil changes from 8A to 2A in 3xx10^(-2)s , th eemf induced in the coil is 2V . The self-induced of coil in mH

When the current changes from +2A to -2A in 0.05s , and emf of 8B is induced in a coil. The coefficient of self-induction of the coil is

The current in a coil decreases from 5 A to 0 in 0.1 sec. If the average e.m.f induced in the coil is 50 V, then the self inductance of the coil is

TARGET PUBLICATION-ELECTROMAGNETIC INDUCTION-COMPETITIVE THINKING

The magnetic flux across a loop of resistance 10Omega is given by phi=...
Text Solution
|
A square loop of wire with side length 10 cm is placed at angle of 45^...
Text Solution
|
If in a coil rate of change of area is 5m^(2)//millisecond and current...
Text Solution
|
The primary and secondary coils of a transmformer have 50 and 1500 tur...
Text Solution
|
Alternating current of peak value ((2)/(pi)) ampere flows through the ...
Text Solution
|
A conducting circular loop is placed in a uniform magnetic field, B=0....
Text Solution
|
A metallic rod of length 'l' is tied to a string of length 2l and made...
Text Solution
|
A rod of 10 cm length is moving perpendicular to uniform magnetic fiel...
Text Solution
|
A wire loop is rotated in magneitc field. The frequency of change of d...
Text Solution
|
A small square loop of wire of side l is placed inside a large square ...
Text Solution
|
The current (I) in the inductance is varying with time according to th...
Text Solution
|
When the frequency of the ac voltage applied to a series LCR circuit i...
Text Solution
|
Assertion : An emf vec(E) is induced in a closed loop where magnetic f...
Text Solution
|
In an AC circuit containing only capacitance the current
Text Solution
|
A coil has resistance 30 ohm and inductive reactance 20 ohm at 50 Hz f...
Text Solution
|
A resistor 20Omega, inductive reactance 15Omega and capacitive reactan...
Text Solution
|
Same current is flowing in two alternating circuits. The first circuit...
Text Solution
|
An electric heater consumes 1 kilowatt power when connected across a 1...
Text Solution
|
An ac ammeter is used to measure currnet in a circuit. When a given di...
Text Solution
|
A transmitter transmits at a wavelength of 300 m. A condenser of capac...
Text Solution
|