BRAINCAKEExam Style Question - 1
Question
A potential divider consists of a fixed 2.0 kΩ resistor in series with a thermistor, connected to a 6.0 V supply of negligible internal resistance. The output p.d. Vout is taken across the thermistor. At 20 °C the thermistor has a resistance of 4.0 kΩ.
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Key terms in this lesson
- potential divider
- A circuit of resistors connected in series across a supply, used to produce a chosen fraction of the supply voltage as an output.
- charge carriers
- Particles, such as electrons or ions, that carry electric charge and so make up an electric current.
More in Electrical Circuits
- Electrical Work
- Electrical Power
- Power Dissipated By Resistors
- Efficiency
- Exam Style Question - 1
- Exam Style Question - 2
- Exam Style Question - 3
- Exam Style Question - 4
All 22 lessons in Electrical Circuits · All Edexcel AS-level Physics topics