Electromagnetic induction Reversing the field or the current will reverse the force on the conductor. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be Unaffected Doubled Quadrupled Halved Unaffected Doubled Quadrupled Halved 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 Any capacitance even if present in the circuit will not be charged Actual power of the circuit is zero Apparent power is zero Relative power is zero Any capacitance even if present in the circuit will not be charged Actual power of the circuit is zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 0.5 2.5 1.0 2.0 0.5 2.5 1.0 2.0 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 120 N 60 N 30 N 90 N 120 N 60 N 30 N 90 N ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic induction Which of the fpllowing inductor will have the least eddy current losses ? Iron core Powdered iron core Air core Laminated iron core Iron core Powdered iron core Air core Laminated iron core ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS