CAIE A-Level Physics AS 10.1.5 The Effects of the Internal Resistance of a Source of E M F on the Terminal Questions

Explain how internal resistance affects the terminal potential difference of a source.

Exam points

Explain how internal resistance affects the terminal potential difference of a source.

[Maximum number: 1]

The diagram shows a circuit that includes a cell with internal resistance.

The switch is initially open.
Which row describes the effects on currents $I_{1}$ and $I_{2}$ of closing the switch?

$I_{1}$

$I_{2}$

decreases

stays the same

increases

decreases

increases

stays the same

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