Edexcel IGCSE Physics 2.18 Parallel Voltage Questions

In a parallel circuit, each branch has the same voltage as the other branches and the supply across them.

Exam points

State and apply that components connected in parallel have the same voltage across each branch.

[Maximum number: 2]

A student builds this electric circuit to measure the temperature of a room.

At $20^{\circ} \mathrm{C}$ , the voltage across the thermistor is 3.9 V .

Explain why the reading on the voltmeter is 2.1 V.

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