Electricity And Magnetism - Study Mode
[#166] The power of an electric bulb with 240 V and 0.6 A current will be . . . . . . . .?
Correct Answer
(A) 144 W
[#167] The purpose of choke in a fluorescent lamp is
Correct Answer
(B) to decrease the current flow
[#168] What is electromagnetic induction?
Correct Answer
(A) The generation of electric current due to the relative motion between the coil and the magnetic field
[#169] The electromagnet has?
Correct Answer
(A) Soft iron core
[#170] If the resistance of a conductor is reduced to half, its thermal effect will be . . . . . . . .
Correct Answer
(B) half