Multiple choice

The net e.m.f. of a normal dry cell is

  1. 2 volt

  2. 1 volt

  3. 1.5 volt

  4. 3.0 volt
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A standard dry cell (like a zinc-carbon battery) produces an EMF of 1.5 volts. This is the nominal voltage of common AA, AAA, and other dry cell batteries. The 2V option is closer to lead-acid cells, while 3V would indicate lithium cells.

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