Electromagnetic induction As per Faraday's laws of electromagnetic induction, an e.m.f. is induced in a conductor whenever it Cuts magnetic flux Lies perpendicular to the magnetic flux Lies in a magnetic field Moves parallel to the direction of the magnetic field Cuts magnetic flux Lies perpendicular to the magnetic flux Lies in a magnetic field Moves parallel to the direction of the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction An average voltage of 10 V is induced in a 250 turns solenoid as a result of a change in flux which occurs in 0.5 second. The total flux change is 0.2 wb 0.02 wb 20 wb 2 wb 0.2 wb 0.02 wb 20 wb 2 wb 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 1000 N 400 N 300 N 100 N 1000 N 400 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which circuit element(s) will oppose the change in circuit current? Inductance only Inductance and capacitance Resistance only Capacitance only Inductance only Inductance and capacitance Resistance only Capacitance only ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A moving magnetic field will produce the same effect as a conductor that is moving. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two coils have self-inductances of 10 H and 2 H, the mutual inductance being zero. If the two coils are connected in series, the total inductance will be 6 H 10 H 12 H 9 H 6 H 10 H 12 H 9 H ANSWER DOWNLOAD EXAMIANS APP
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