Electromagnetic induction Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is 15 H 10 H 5 H 20 H 15 H 10 H 5 H 20 H ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is unit of inductance? Ohm Weber/metre Hennry Ampere turns Ohm Weber/metre Hennry Ampere turns ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A crack in the magnetic path of an inductor will result in Increased inductance Zero inductance Unchanged inductance Reduced inductance Increased inductance Zero inductance Unchanged inductance Reduced inductance 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 Actual power of the circuit is zero Apparent power is zero Relative power is zero Any capacitance even if present in the circuit will not be charged Actual power of the circuit is zero Apparent power is zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Air-core coils are practically free from Hysteresis losses None of the listed here Eddy current losses Both Hysteresis losses & Eddy current losses Hysteresis losses None of the listed here Eddy current losses Both Hysteresis losses & Eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Higher the self-inductance of a coil, Greater the flux produced by it Longer the delay in establishing steady current through it Lower the e.m.f. induced Lesser its weber-turns Greater the flux produced by it Longer the delay in establishing steady current through it Lower the e.m.f. induced Lesser its weber-turns ANSWER DOWNLOAD EXAMIANS APP
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