Electricity And Magnetism - Study Mode
[#281] A compass needle cannot be used to detect
Correct Answer
(C) strength of a magnet
[#282] When two or more cells are connected to each other by opposite terminals, then it is called as . . . . . . . .
Correct Answer
(C) battery
[#283] If potential difference and current flowing through a wire is increased twice each, then electric power
Correct Answer
(B) Will increase four times
[#284] A current of 0.5 A flowing through resistance of 10 Ω. The amount of electric charge that flows through this resistance in one minute will be-
Correct Answer
(A) 30 C
[#285] Which of the following is proportional to the potential difference?
Correct Answer
(D) current