Electromagnetic induction A 500 turns solenoid develops an average induced voltage of 60 V. Over what time interval must a flux change of 0.06 Wb occur to produce such a voltage? 0.1 s None of the listed here 0.5 s 0.2 s 0.1 s None of the listed here 0.5 s 0.2 s ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ampere turns Ohm Weber/metre Hennry Ampere turns Ohm Weber/metre Hennry ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Lenz's law is a consequence of the law of conservation of Induced e.m.f. Charge Induced current Energy Induced e.m.f. Charge Induced current Energy ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from Both Hysteresis losses & Eddy current losses Eddy current losses Hysteresis losses None of the listed here Both Hysteresis losses & Eddy current losses Eddy current losses Hysteresis losses None of the listed here 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 12 mH 24 mH 3 mH 28 mH 12 mH 24 mH 3 mH 28 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is not a unit of inductance? Volt second per ampere Coulomb/volt ampere Hennry All of the listed here Volt second per ampere Coulomb/volt ampere Hennry All of the listed here ANSWER DOWNLOAD EXAMIANS APP