Question 21989PhysicsWAEC

Which of the following instruments is used to determine the accurate value of the electromotive force of a cell?

A

Voltmeter

B

Meterbridge

C

Voltameter

D

Potentiometer

Step-by-Step Explanation

A potentiometer is a device used to precisely measure potential differences. It is an apparatus commonly used to measure or to compare the e.m.f.s of  cells. It can also be used to measure resistances.

Ref: New School Physics for Senior Secondary Schools (2016 edition) by M. W. Anyakoha. Pg. 402

Comments (0)