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 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 Relative power is zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ohm Hennry Ampere turns Weber/metre Ohm Hennry Ampere turns Weber/metre ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A crack in the magnetic path of an inductor will result in Reduced inductance Unchanged inductance Zero inductance Increased inductance Reduced inductance Unchanged inductance Zero inductance Increased inductance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The law that the induced e.m.f. and current always oppose the cause producing them is due to Faraday Newton Coulomb Lenz Faraday Newton Coulomb Lenz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is 5 H 20 H 10 H 15 H 5 H 20 H 10 H 15 H 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 24 mH 12 mH 3 mH 28 mH 24 mH 12 mH 3 mH 28 mH ANSWER DOWNLOAD EXAMIANS APP
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