In a coil, the current increases from 0 to 6 A in 0.4 s. If an induced of e.m.f of 15V is produced in the coil, then the coeffiecient of self-inductio

Question

In a coil, the current increases from 0 to 6 A in 0.4 s. If an induced of e.m.f of 15V is produced in the coil, then the coeffiecient of self-inductio

In a coil, the current increases from 0 to 6 A in 0.4 s. If an induced of e.m.f of 15V is produced in the coil, then the coeffiecient of self-induction of the coil will be
A. 0.5 H
B. 0.75 H
C. 1 H
D. 1.5 H

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

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

2 Answers 5 Views

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

2 Answers 5 Views

When the current changes from `+2 A to –2A` in 0.05 second, an e.m.f. of 8 V is induced in a coil. The coefficient of self - induction of the coil is

2 Answers 4 Views

When a current i = 10 sin `(100 pi t)` A is passed through a coil, an induced emf having a maximum value of `5 pi V` is produced in a nearby coil kept

2 Answers 4 Views

When the current in a coil changes from 2A to 4A in 0.05 sec, the e.m.f. developed in the coil is 8V. The coefficent of self induction of the coil is

2 Answers 4 Views

When the current in a coil charges from 2A to 4A in 0.05 s, emf of 8 volt is induced in the coil. The coefficient of self induction of the coil is -

2 Answers 5 Views

A metal rod of length 0.5 m rotates at a uniform angular speed about one of its ends in a plane at right angle to a uniform magnetic field of inductio

2 Answers 5 Views

The current in a primary coil increases by 20 A in 0.1 s. If the average emf induced in the secondary coil be 100 V, determine the mutual inductance b

2 Answers 4 Views

The current in a coil increases by 10 A in 0.01s. If the average emf induced in the coil is 100 V, find out the self-inductance of the coil and the fl

2 Answers 4 Views

A current flowing through a coil changes from +2A to -2A in 0.05 s and an emf of 8 V is induced in the coil. The value of self-inductance of the coil

2 Answers 4 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
`e=L(dI)/(dt) :. 15 = L xx 6/0.4 :. L = 1H`.

4 views Answered 2023-02-05 15:29