The self-induced e.m.f in a 0.1H coil wh...

The self-induced e.m.f in a `0.1H` coil when the current in it is changing at the rate of `200 ampere//second` is

A

`8xx10^(-4)V`

B

`8xx10^(-5)V`

C

`20V`

D

`125 V`

Text Solution

Verified by Experts

The correct Answer is:

C

`e=(Ldi)/(dt)impliese=0.1xx200=20V`

Topper's Solved these Questions

ELECTROMAGNETIC INDUCTION
A2Z|Exercise Inductor Circuits|31 Videos
ELECTROMAGNETIC INDUCTION
A2Z|Exercise Applications Of Emi|58 Videos
ELECTROMAGNETIC INDUCTION
A2Z|Exercise Section D - Chapter End Test|30 Videos
ELECTRIC POTENTIAL & CAPACITANCE
A2Z|Exercise Section D - Chapter End Test|29 Videos
ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM
A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

The self induced emf in a coil when current charges in it is given by.

An e.m.f. of 12 "volts" is induced in a given coil when the current in it changes at the rate of 48 amperes per minute. The self-inductance of the coil is

The self induced emf of a coil is 25 volts. When the current in it is changed at uniformed rate from 10 A to 25 A in 1s, the change in the energy of the inductances is

The mutual inductance between two coils is 1.25 henry. If the current in the primary changes at the rate of 80 ampere//second , then the induced e.m.f. in the secondary is

The average self-induced emf in a 25m H solenoid when the current in it falls from 0.2 A to 0 A in 0.01 second, is

In a coil, L=5H , current changes at the rate of 2 ampere per second. The induced

An average induced e.m.f of 2V appers in a coil when the current in it is changed from 10 A in opposite direction in 0.5 sec. The self inductance of the coil is

An e.m.f. of 12"volts" is produced in a coil when the current in it changes at the rate of 45 amp//minute . The inductance of the coil is

A2Z-ELECTROMAGNETIC INDUCTION-Motional And Rotational Emf

If in a coil rate of change of area is 5m^(2)//millisecond and current...
Text Solution
|
The inductance of a solenoid 0.5m long of cross-sectional area 20cm^(2...
Text Solution
|
An e.m.f. of 12"volts" is produced in a coil when the current in it ch...
Text Solution
|
If a change in current of 0.01 A in one coil produces change in magnet...
Text Solution
|
A 100mH coil carries a current of 1 ampere. Energy stored in its magne...
Text Solution
|
A solenoid of length l metre has self-inductance L henry. If number of...
Text Solution
|
Two coils A and B having turns 300 and 600 respectively are placed nea...
Text Solution
|
The coefficient of mutual inductance of two coils is 6 mH. If the curr...
Text Solution
|
The current in a coil of inductance 5H decreases at the rate of 2A//a....
Text Solution
|
The self-induced e.m.f in a 0.1H coil when the current in it is changi...
Text Solution
|
Two circuits have coefficient of mutual induction of 0.09 henry. Avera...
Text Solution
|
An air core solenoid has 1000turns and is one metre long. Its cross-se...
Text Solution
|
When the current changes from +2A to -2A in 0.5 second an emf of 8V is...
Text Solution
|
A coil resistance 20 W and inductance 5 H is connected with a 100 V ba...
Text Solution
|
When the current in a coil changeg from 8 amperes to 2 amperes in 3xx1...
Text Solution
|
When the current in a coil changeg from 8 amperes to 2 amperes in 3xx1...
Text Solution
|
A coil of N=100 turns carries a current I=5 A and creates a magnetic f...
Text Solution
|
Two identicaly induction coils each of inductance L joined in series ...
Text Solution
|
A coil of Cu wire (radius r, self-inductance L) is bent in two concen...
Text Solution
|
A long solenoid of length L, cross section A having N(1) turns has abo...
Text Solution
|