Which of the following is not a unit of inductance? Mark as favorite Copy Link Henry Coulomb/volt ampere Volt second per ampere All of the above Check Answer
An e.m.f of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be? Mark as favorite Copy Link 64 A/s 32 A/s 16 A/s 4 A/s Check Answer
Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be? Mark as favorite Copy Link unaffected doubled halved quadrupled Check Answer
Which of the following circuit element stores energy in the electromagnetic field? Mark as favorite Copy Link Inductance Condenser Variable resistor Resistance Check Answer
As per Faraday’s laws of electromagnetic induction, an e.m.f. is induced in a conductor whenever it? Mark as favorite Copy Link lies perpendicular to the magnetic flux lies in a magnetic field cuts magnetic flux moves parallel to the direction of the magnetic field Check Answer
A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is? Mark as favorite Copy Link 50 ohms 500 ohms 1000 ohms 6000 ohms Check Answer
An open coil has? Mark as favorite Copy Link zero resistance and inductance infinite resistance and zero inductance infinite resistance and normal inductance zero resistance and high inductance Check Answer
A conductor carries 125 amperes of current under 60º to a magnetic field of 1.1 tesla. The force on the conductor will be nearly? Mark as favorite Copy Link 50 N 120 N 240 N 480 N Check Answer
For a 30 mH inductance (L1) and a 60 mH inductance (L2) The combined inductance of L1 and L2 in series aiding with 30 mH mutual inductance will be? Mark as favorite Copy Link 50 mH 100 mH 150 Mh 200 mH Check Answer
For a purely inductive circuit which of the following is true? Mark as favorite Copy Link 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 Check Answer