Electrical Engineering Objective Questions and Answers Pdf - 2

Question: 6

Which of the following primary cells has the highest voltage?

(A) mercury

(B) lithium

(C) carbon zinc

(D) manganese alkaline

Question: 7

Cells are connected in parallel to

(A) increase the internal resistance

(B) increase the voltage output

(C) increase the current capacity

(D) increase the efficiency

Question: 8

Coating usually recommended for electrical contacts is that of

(A) silver

(B) chromium

(C) gold

(D) tin

Question: 9

The energy in a lead acid battery is stored in the form of

(A) chemical energy

(B) solar energy

(C) electrostatic charge

(D) nuclear energy

Question: 10

Silicon steel is used in electrical machines because it has

(A) high coercivity

(B) low hysteresis loss

(C) low retentivity

(D) low coercivity