Cells and Batteries MCQ Objective Quiz Questions & Answers - 1

Question: 1

A multiplate construction is used in a lead acid battery to

(A) Reduce the internal resistance of the battery

(B) Increase the internal resistance of the battery

(C) Increase the emf of the battery

(D) Increase the capacity of the battery

Ans: D

Increase the capacity of the battery

Question: 2

Standard cell

(A) Can supply voltages up to 10 V

(B) Will continue to have constant voltage irrespective of loading conditions

(C) Will have precise and accurate constant voltage when few milli amperes are drawn from it

(D) Will have precise and accurate constant voltage when current drawn from it is few micro amperes only

Ans: D

Will have precise and accurate constant voltage when current drawn from it is few micro amperes only

Question: 3

During charging, the terminal voltage of the battery decreases with

(A) Increasing temperature

(B) Decreasing temperature

(C) Increasing rate of charge

(D) None of the above

Ans: A

Increasing temperature

Question: 4

The solar or photovoltaic cell converts

(A) Thermal energy into electrical energy

(B) Solar radiations into thermal energy

(C) Solar radiations into electrical energy

(D) Chemical energy into electrical energy

Ans: C

Solar radiations into electrical energy

Question: 5

The efficiency of a primary cell is about _____

(A) 20%

(B) 30%

(C) 70%

(D) 90%

Ans: C

70%

Related Questions
Read More Engineering Topics