Electromagnetic induction Two coils have self-inductances of 10 H and 2 H, the mutual inductance being zero. If the two coils are connected in series, the total inductance will be 9 H 12 H 10 H 6 H 9 H 12 H 10 H 6 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from Hysteresis losses Eddy current losses None of the listed here Both Hysteresis losses & Eddy current losses Hysteresis losses Eddy current losses None of the listed here Both Hysteresis losses & Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A 200 turn coil has an inductance of 12 mH. If the number of turns is increased to 400 turns, all other quantities (area, length etc.) remaining the same, the inductance will be 6 mH 12 mH 24 mH 48 mH 6 mH 12 mH 24 mH 48 mH ANSWER DOWNLOAD EXAMIANS APP
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 For a purely inductive circuit which of the following is true? Relative power is zero Any capacitance even if present in the circuit will not be charged Apparent power is zero Actual power of the circuit is zero Relative power is zero Any capacitance even if present in the circuit will not be charged Apparent power is zero Actual power of the circuit is zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A conductor carries 125 amperes of current under 60° to a magnetic field of 1.1 tesla. The force on the conductor will be nearly 90 N 60 N 120 N 30 N 90 N 60 N 120 N 30 N ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS