BRAINCAKEResistors - Combinations Question 1
Question
A 3.0 Ω resistor is connected in series with a parallel pair made of a 6.0 Ω resistor and a 12 Ω resistor. The combination is connected to a 14 V supply of negligible internal resistance. Calculate (a) the total resistance of the circuit and (b) the current drawn from the supply.
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Key terms in this lesson
- internal resistance
- The resistance inside a source of e.m.f., such as a cell or battery, which causes potential difference to be lost when current flows.
More in Electrical Circuits
- Voltage Rule
- Voltages in Series Circuits
- Voltages in Parallel Circuits
- Resistors in Series and Parallel
- Resistors - Combinations Question 2
- Resistors - Combinations Question 3
- Potential Divider
- Sensor Circuits
All 22 lessons in Electrical Circuits · All Edexcel AS-level Physics topics