Electromagnetic induction Which circuit element(s) will oppose the change in circuit current? Resistance only Capacitance only Inductance only Inductance and capacitance Resistance only Capacitance only Inductance only Inductance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two 300 uH coils in series without mutual coupling have a total inductance of 1200 uH 600 uH 300 uH 900 uH 1200 uH 600 uH 300 uH 900 uH ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A conductor 2 meters long moves at right angles to a magnetic field of flux density 1 tesla with a velocity of 12.5 m/s. The induced e.m.f. in the conductor will be 15 V 10 V 25 V 12 V 15 V 10 V 25 V 12 V 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 28 mH 24 mH 3 mH 12 mH 28 mH 24 mH 3 mH 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 24 mH 12 mH 6 mH 48 mH 24 mH 12 mH 6 mH 48 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 1.0 0.5 2.0 2.5 1.0 0.5 2.0 2.5 ANSWER DOWNLOAD EXAMIANS APP