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. No Yes No Yes 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 30 N 90 N 60 N 120 N 30 N 90 N 60 N 120 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In an iron cored coil the iron core is removed so that the coil becomes an air cored coil. The inductance of the coil will Remains same Increases None of the listed here Decreases Remains same Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case of an inductance, current is proportional to Magnetic field Voltage across the inductance Both of the listed here None of the listed here Magnetic field Voltage across the inductance Both of the listed here None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction For a purely inductive circuit which of the following is true? Any capacitance even if present in the circuit will not be charged Apparent power is zero Actual power of the circuit is zero Relative power is zero Any capacitance even if present in the circuit will not be charged Apparent power is zero Actual power of the circuit is zero Relative power is zero 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