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 400 N 1000 N 100 N 300 N 400 N 1000 N 100 N 300 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction For a purely inductive circuit which of the following is true? Apparent power is zero Relative power is zero Actual power of the circuit is zero Any capacitance even if present in the circuit will not be charged Apparent power is zero Relative power is zero Actual power of the circuit is zero Any capacitance even if present in the circuit will not be charged ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction A coil induces 350 mV when the current changes at the rate of 1 A/s. The value of inductance is 350 mH None of the listed here 3500 mH 250 mH 350 mH None of the listed here 3500 mH 250 mH 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 60 N 30 N 120 N 90 N 60 N 30 N 120 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction The coefficient of coupling between two air core coils depends on Mutual inductance between two coils only Mutual inductance and self inductance of two coils Self-inductance of two coils only None of the listed here Mutual inductance between two coils only Mutual inductance and self inductance of two coils Self-inductance of two coils only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Two coils have inductances of 8 mH and 18 mH and a coefficient of coupling of 0.5. If the two coils are connected in series aiding, the total inductance will be 30 mH 36 mH 38 mH 48 mH 30 mH 36 mH 38 mH 48 mH ANSWER DOWNLOAD EXAMIANS APP