The rate of rise of current through an inductive coil is maximum

Related MCQs

• 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
• The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as
• In case all the flux from the current in coil 1 links with coil 2, the co-efficient of coupling will be
• A coil is wound on iron core which carries current I. The self-induced voltage in the coil is not affected by
• Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be
• A coil with negligible resistance has 50V across it with 10 mA. The inductive reactance is
• An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be
• A coil induces 350 mV when the current changes at the rate of 1 A/s. The value of inductance is
• The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength ?
• What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200 ?