Electromagnetic induction Which circuit element(s) will oppose the change in circuit current? Inductance and capacitance Resistance only Capacitance only Inductance only Inductance and capacitance Resistance only Capacitance only Inductance only ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two 300 uH coils in series without mutual coupling have a total inductance of 1200 uH 900 uH 300 uH 600 uH 1200 uH 900 uH 300 uH 600 uH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A crack in the magnetic path of an inductor will result in Zero inductance Increased inductance Reduced inductance Unchanged inductance Zero inductance Increased inductance Reduced inductance Unchanged 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 be 24 mH 48 mH 12 mH 3 mH 24 mH 48 mH 12 mH 3 mH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 2.5 0.5 2.0 1.0 2.5 0.5 2.0 1.0 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction For a purely inductive circuit which of the following is true? 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 Any capacitance even if present in the circuit will not be charged ANSWER DOWNLOAD EXAMIANS APP
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