A voltmeter reads 1.5 V when connected across a cell with no external load and 1.3 V…

PHYSICS · Subjective · A Level · Physics · Electricity · Electricity

Problem

A voltmeter reads 1.5 V when connected across a cell with no external load and 1.3 V when the cell is lighting a small lamp. Identify what physical quantity each of the two readings represents and justify your answer briefly.

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