Electricity for AS and A-Level

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  • Created by: Perlin
  • Created on: 11-12-13 23:25

1. When resistors are in parallel, the total resistance is

  • nothing is correct
  • the same as the highest resistance
  • less than the smallest resistance in the circuit
  • the same as the sum of each resistance
1 of 15

Other questions in this quiz

2. A switch is normally connected across

  • either of them
  • none is correct
  • the live wire
  • the neutral wire

3. If two equal resistors of 20 Ohms each are connected in parallel, the total resistance in Ohms

  • 10
  • 20
  • 30
  • 40

4. If two resistors are connected in series, the total resistance is 25 Ohms. If they are connected in parallel, it goes down to 6 Ohms. The possible values of the resistances in Ohms are

  • 30 and 30
  • 15 and 10
  • 60 and 15
  • 20 and 40

5. In the event of a drop in voltage, a bulb could go

  • dim
  • brighter
  • either is right
  • none is true

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