The mutual inductance of an induction coil is 5H . In the primary coil, the current reduces from 5 A to zero in `10^(-3)s` . What is the induced emf i

Question

The mutual inductance of an induction coil is 5H . In the primary coil, the current reduces from 5 A to zero in `10^(-3)s` . What is the induced emf i

The mutual inductance of an induction coil is 5H . In the primary coil, the current reduces from 5 A to zero in `10^(-3)s` . What is the induced emf in the secondary coil
A. 2.5 kV
B. 25 kV
C. 250 kV
D. 0.25 kV

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

The coefficient of mutual inductance of two coils is 10 mH. IF the current flowing in one coil is 4A then the induced e.m.f in the second coil will be

2 Answers 5 Views

If a current of 3 A flowing in the primary coil is reduced to zero in 0.01 s, the e.m.f induced in the secondary coil is 750 V. What is the mutual ind

2 Answers 6 Views

If a current of 3A, flowing in the primary coil is reduced to zero in `10^(-3) s`, the induced e.m.f in the secondary coil is 15000 V. The mutual indu

2 Answers 4 Views

Two coils A and B have mutual inductance `2xx10^(-2)` Henry if the current in he primary coil is i=5 sin `(10pit)` then the maximum value of emf induc

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

The mutual inductance of a pair of a coil is 0.75 H. if the current in primary coil changes from 0.5 A to 0A in 0.01 s. the average induced emf in sec

2 Answers 5 Views

A certain current flows in the primary of an induction coil of mutual inductance 5 H. when the break occurs, an emf of 30,000 V is induced in the seco

2 Answers 4 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 - B
`e=M(dI)/(dt)=25kV`

4 views Answered 2023-02-05 15:29