An average voltage of 10 V is induced in a 250 turns solenoid as a result of a change in flux which occurs in 0.5 second. The total flux change is

Related MCQs

• A 500 turns solenoid develops an average induced voltage of 60 V. Over what time interval must a flux change of 0.06 Wb occur to produce such a voltage ?
• What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200 ?
• A 200 turn coil has an inductance of 12 mH. If the number of turns is increased to 400 turns, all other quantities (area, length etc.) remaining the same, the inductance will be
• Main causes of noisy solenoid are
• A coil is wound on iron core which carries current I. The self-induced voltage in the coil is not affected by
• If current in a conductor increases then according to Lenz's law self-induced voltage will
• Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is
• Find the flux enclosed by a material of flux density 12 units in an area of 80cm.
• An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be
• What will happen to an insulating medium if voltage more than the breakdown voltage is applied on it ?