Electromagnetic induction For a purely inductive circuit which of the following is true? Any capacitance even if present in the circuit will not be charged Actual power of the circuit is zero Relative power is zero Apparent power is zero Any capacitance even if present in the circuit will not be charged Actual power of the circuit is zero Relative power is zero Apparent power is zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case of an inductance, current is proportional to Magnetic field Both of the listed here None of the listed here Voltage across the inductance Magnetic field Both of the listed here None of the listed here Voltage across the inductance 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 If current in a conductor increases then according to Lenz's law self-induced voltage will Aid the increasing current Aid the applied voltage Tend to decrease the amount of current Produce current opposite to the increasing current Aid the increasing current Aid the applied voltage Tend to decrease the amount of current Produce current opposite to the increasing current 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 20 wb 0.02 wb 0.2 wb 2 wb 20 wb 0.02 wb 0.2 wb ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The polarity of the induced voltage can be determined by using the left-hand generator rule. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
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