Home
Class 12
PHYSICS
A long solenoid with 15 turns per cm has...

A long solenoid with 15 turns per cm has a small loop area `2.0cm^(2)` placed inside the solenoid normal to its axis. If the current carried by the solenoid changed steadiy from 2.0A to 4.0A in 0.1 s, what is the induced emf in the loop while the current is changing?

Text Solution

Verified by Experts

`7.5xx10^(-6)V`
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    NEW JOYTHI PUBLICATION|Exercise EVALUTAION QUESTIONS AND ANSWERS|14 Videos

  • ELECTROMAGNETIC INDUCTION

    NEW JOYTHI PUBLICATION|Exercise CONTINUOUS EVALUATION (ASSIGNMENTS)|2 Videos

  • ELECTROMAGNETIC INDUCTION

    NEW JOYTHI PUBLICATION|Exercise SOLUTIONS TO EXERCISES FROM NCERT TEXT|14 Videos

  • ELECTRIC CHARGES AND FIELDS

    NEW JOYTHI PUBLICATION|Exercise Competitive Exam Corner|20 Videos

  • ELECTROMAGNETIC WAVES

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|16 Videos

Similar Questions

Explore conceptually related problems

A long solenoid with 20 turns per has a small loop of area 2Cm2 placed inside the solenoid normal to its axis. If the circuit carried by the solenorid changes steaditly from 1Ato 3A in 0.2s. What is the induced emf in the loop while the current ins charging.

A long solenoid having 400 turns per cm carries a current 2A. A 100 turn coil of cross-sectional area 4 cm2 is placed co-axially inside the solenoid so that the coil is in the field produced by the solenoid. Find the emf induced in the coil if the current through the solenoid reverse its direction in 0.04 sec.

A pair of adjacent coils has a mutual inductance of 1.5 H. If the current in one coil changes from 0 to 20 A in 0.5 s, what is the change of flux linkage with the other coil?

A 3.0m wire carrying a current of 10 A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to the 0.277 . What is the magnetic force on the wire?

A 3.0 cm wire carrying a current of 10 A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to be 0.27 T.What is the magnetic force on the wire ?

A long solenoid of diameter 0.1 m has 2 xx 10^4 turns per meter. At the centre of the solenoid, a coil of 100 turns and radius 0.01 m is placed with its axis coinciding with the solenoid axis.The current in the solenoid reduces at a constant rate to 0A from 4 A in 0.05 s. If the resistance of the coil is 10 pi^2Omega , the total charge flowing through the coil during this time is

A 50 cm long solenoid has 400 turns per cm. The diameter of the solenoid is 0.04 m. Find the magnetic flux of a turns when it carries a current of 1 A.