Other questions in this quiz

2. Varying the variable resistor alters the..

  • Current
  • Resistance
  • Voltage
  • light emitted

3. What makes LEDs so efficient?

  • No resistance
  • Small current needed
  • Current only goes in one direction
  • No battery required, cheaper

4. Where is a voltmeter in a circuit?

  • At the start, to measure the original value
  • Anywhere, p.d is always the same
  • Parallel
  • Series

5. When are thermistors used?

  • Burglar alarms, digital clocks
  • Car engines, thermostats
  • In all circuits
  • Science only


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