1000+ DC Circuits MCQ Questions and Answers Pdf - 2

Question: 6

Which one of the following is the best conductor of electricity?

(A) zinc

(B) copper

(C) gold

(D) silver

Question: 7

Ampere – second is the unit of

(A) charge

(B) e.m.f.

(C) energy

(D) power

Question: 8

A d.c. circuit usually has _____ as the load.

(A) both inductance and capacitance

(B) inductance

(C) capacitance

(D) resistance

Question: 9

A 200 W and 100 W bulb both meant for operation at 220 V are connected in series. When connected to a 220 V supply, the power consumed by them is

(A) 33 W

(B) 66 W

(C) 100 W

(D) 300 W

Question: 10

The e.m.f. of a cell depends upon

(A) electrolyte and electrodes of the cell

(B) internal resistance

(C) external resistance

(D) none of these factors