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Series And Parallel Circuits (GCSE Physics)

The following is a GCSE Physics test covering 'Series And Parallel Circuits' from the broader topic Electricity. The test is geared towards the AQA exam board style syllabus.
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A 12 V battery is connected to a 6 O resistor. The power dissipated in the resistor is:
In a series circuit with three resistors, if one resistor is removed (open circuit), what happens to the current in the remaining resistors?
In a simple series circuit containing a battery and three resistors, what is the sum of the potential differences across the three resistors?
The power dissipated in a resistor can be calculated from P = I^2 R. If current doubles through a resistor, power becomes:
In a circuit two resistors, 10 O and 20 O, are connected in series. The total resistance is:
Which statement about current and voltage in parallel circuits is correct?
Which quantity is the same for every component in a series circuit?
A circuit contains three resistors: two 10 O in parallel, then that combination in series with 5 O. The total resistance is:
If three identical lamps are each connected in parallel across the same battery, compared with one lamp alone the brightness of each lamp is:
An ideal ammeter has which property?
Two identical lamps A and B connected in series are less bright than the same lamps connected in parallel because: