Electromagnetic induction Reversing the field or the current will reverse the force on the conductor. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Lenz's law is a consequence of the law of conservation of Induced current Energy Induced e.m.f. Charge Induced current Energy Induced e.m.f. Charge ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is not a unit of inductance? Hennry Coulomb/volt ampere All of the listed here Volt second per ampere Hennry Coulomb/volt ampere All of the listed here Volt second per ampere ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An average voltage of 10 V is induced in a 250 turns solenoid as a result of a change in flux which occurs in 0.5 second. The total flux change is 2 wb 0.2 wb 0.02 wb 20 wb 2 wb 0.2 wb 0.02 wb 20 wb ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self inductances of two coils are 8 mH and 18 mH. If the coefficient of coupling is 0.5, the mutual inductance of the coils is 12 mH 6 mH 36 mH 18 mH 12 mH 6 mH 36 mH 18 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will 28 mH 12 mH 24 mH 3 mH 28 mH 12 mH 24 mH 3 mH ANSWER DOWNLOAD EXAMIANS APP
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