If a current of 10 A flows in one second...

If a current of `10 A` flows in one second through a coil and the induced e.m.f. is `10V`, then the self-inductance of the coil is

A

`(2)/(5)H`

B

`(4)/(5)H`

C

`(5)/(4)H`

D

`1H`

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 a current of 10 A changes in one second throught a coil, and the induced emf is 10 V, then the self-inductance of the coil 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

In a circular conducting coil, when current increases from 2A to 18A in 0.05 sec., the induced e.m.f. is 20V . The self-inductance 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

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 a current changes from 2A to 4A in 0.05 sec . In a coil , induced emf is 8 V . The self inductance of coil is :

In a coil current falls from 5 A to 0 A in 0.2 s. If an average emf of 150 V is induced, then the self inductance of the coil is

If the rate of change of current of 1A/s in one coil, induced an emf of 1 V in the neighbouring coil, the mutual inductance of two coils is

A varying current ina coils chagre from 10 A to zero in 0.5 s .If the average emf induced in the coils is 220 V , the self- inductance of the coils is

TARGET PUBLICATION-ELECTROMAGNETIC INDUCTION-COMPETITIVE THINKING

A long solenoid has 1000 turns. When a current of 4A flows through it,...
Text Solution
|
The current passing through a choke coil of 5 hery is decreasing at th...
Text Solution
|
If a current of 10 A flows in one second through a coil and the induce...
Text Solution
|
An average induced e.m.f. of 1V appears in a coil when the current in ...
Text Solution
|
Two coils have a mutual inductance of 0.005 H. the current changes in ...
Text Solution
|
Two coils P and Q are kept near each other. When no current flows ...
Text Solution
|
A 100 Omega resistance and a capacitor of 100 Omega reactance are conn...
Text Solution
|
The output power in step-up transformer used in practice is
Text Solution
|
What is increase in step-down transformer?
Text Solution
|
A transformer is used to light a 100 W and 110 V lamp from a 220V main...
Text Solution
|
An ideal transformer converts 220V a.c. to 3.3kV a.c. to transmit a po...
Text Solution
|
A transformer connected to 220 volt line shows an output of 2A at 1100...
Text Solution
|
A 220 V input is supplied to a transformer. The output circuit draws a...
Text Solution
|
A transformer has an efficiency of 80%. It works at 4 kW and 100 V. If...
Text Solution
|
Assertion : A transformer cannot work on dc supply. Reason : dc chan...
Text Solution
|
A step-down transformer has 50 turns on secondary and 1000 turns on pr...
Text Solution
|
A step up transformer operates on a 230 V line and a load current of 2...
Text Solution
|
A transformer having efficiency of 90% is working on 200 V and 3 kW po...
Text Solution
|
The output of a step down transformer is measured to be 48V when conne...
Text Solution
|
A coil has 2000 turns and area of 70cm^(2). The magnetic field perpen...
Text Solution
|