Electricity And Magnetism - Study Mode
[#286] When the length of the wire is doubled. Ammeter reading decreases . . . . . . . .
Correct Answer
(B) half
[#287] A.C. is converted into DC by . . . . . . . .
Correct Answer
(B) rectifier
[#288] The 'Choke' used with a tube light is basically
Correct Answer
(A) an inductor
[#289] If the resistance of a circuit is doubled to keep the voltage constant, the electric current flowing in the circuit will be . . . . . . . .
Correct Answer
(B) will decrease by half
[#290] The amount of electrical energy consumed. When using 1 kW of power for 1 hour in a circuit. Show it in joules.
Correct Answer
(B) 3.6 × 10 6 joule