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 2.0 0.5 1.0 2.5 2.0 0.5 1.0 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The polarity of the induced voltage can be determined by using the left-hand generator rule. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Find the force acting on a conductor 3m long carrying a current of 50 amperes at right angles to a magnetic field having a flux density of 0.67 tesla 300 N 100 N 400 N 1000 N 300 N 100 N 400 N 1000 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A laminated iron core has reduced eddy-current losses because The laminations are insulated from each other The laminations are stacked vertically The magnetic flux is concentrated in the air gap of the core More wire can be used with less D.C. resistance in coil The laminations are insulated from each other The laminations are stacked vertically The magnetic flux is concentrated in the air gap of the core More wire can be used with less D.C. resistance in coil ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Increasing the field or increasing the current will decrease the force on the conductor. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case of an inductance, current is proportional to Magnetic field Both of the listed here Voltage across the inductance None of the listed here Magnetic field Both of the listed here Voltage across the inductance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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