Electromagnetic induction Which circuit element(s) will oppose the change in circuit current? Inductance only Capacitance only Resistance only Inductance and capacitance Inductance only Capacitance only Resistance only Inductance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following circuit element stores energy in the electromagnetic field? Inductance Resistance Condenser Variable resistor Inductance Resistance Condenser Variable resistor ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the following is not a unit of inductance? Volt second per ampere Hennry All of the listed here Coulomb/volt ampere Volt second per ampere Hennry All of the listed here Coulomb/volt ampere ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A laminated iron core has reduced eddy-current losses because The laminations are insulated from each other The magnetic flux is concentrated in the air gap of the core The laminations are stacked vertically More wire can be used with less D.C. resistance in coil The laminations are insulated from each other The magnetic flux is concentrated in the air gap of the core The laminations are stacked vertically More wire can be used with less D.C. resistance in coil ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The self-inductance of the coil may be defined as equal to the e.m.f. induced in volts when the current in the circuit changes at the rate of unit Weber turns. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A conductor carries 125 amperes of current under 60° to a magnetic field of 1.1 tesla. The force on the conductor will be nearly 90 N 120 N 30 N 60 N 90 N 120 N 30 N 60 N ANSWER DOWNLOAD EXAMIANS APP