Electricity And Magnetism - Study Mode

[#116] A wire with black insulation during electric supply is
Correct Answer

(C) Neutral wire

[#117] How much work is done in moving a charge of 2C across two points having a potential difference 10 V?
Correct Answer

(B) 20 J

[#118] Ohm's law describes the relation between . . . . . . . . and . . . . . . . .
Correct Answer

(C) Potential, electric current

[#119] Nickel-Cadmium (Ni-Cd) battery is used in
Correct Answer

(D) All of the above

[#120] A given conductor carrying a current of 1 ampere. It produces an amount of heat equal to 2000 J. If the current through the conductor is doubled, then the amount of heat produced will be
Correct Answer

(C) 8000 J