Lesson Worksheet: Electrical Resistance Science

In this worksheet, we will practice describing the effects of electrical resistance on the flow of charge within a circuit.

Q1:

Which of the following sentences describes what will happen to a wire in a circuit if a very large current is passed through it?

  • AThe wire will cool down.
  • BThe wire will heat up.
  • CThe wire will neither heat up nor cool down.

Q2:

Which of the following is the correct unit for electrical resistance?

  • AThe joule
  • BThe volt
  • CThe ohm
  • DThe watt
  • EThe ampere

Q3:

Any wire will have some amount of resistance. There are two unequal lengths of identical wire. Which one of the following sentences is correct?

  • AThe wire of greater length has the greater resistance.
  • BThe wire of greater length has the lower resistance.
  • CBoth wires will have the same resistance.

Q4:

Which of the following is the correct unit symbol for ohms?

  • AO
  • BR
  • Co
  • D𝜔
  • EΩ

Q5:

Which of the following is the correct circuit component to measure resistance?

  • AVoltmeter
  • BOhmmeter
  • CAmmeter

Q6:

If a component in a circuit has a higher electrical resistance, is it easier or harder for charges to move through it?

  • AEasier
  • BHarder

Q7:

The diagram below shows an electric circuit consisting of a cell, a bulb, a voltmeter, and an ammeter. The readings of the ammeter and the voltmeter are shown on the diagram. What is the resistance of the bulb?

Q8:

The diagram below shows an electric circuit. How many variable resistors are there in the circuit?

Q9:

The diagram below shows an electric circuit consisting of a cell and a bulb. If the potential difference across the bulb is 1 volt and the current through the bulb is 1 ampere, what is the resistance of the bulb?

Q10:

Which of the following is the correct circuit symbol for a resistor?

  • A
  • B
  • C
  • D
  • E

This lesson includes 16 additional questions for subscribers.

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