This lesson includes 16 additional questions for subscribers.
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.
Which of the following is the correct unit for electrical resistance?
- AThe joule
- BThe volt
- CThe ohm
- DThe watt
- EThe ampere
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.
Which of the following is the correct unit symbol for ohms?
If a component in a circuit has a higher electrical resistance, is it easier or harder for charges to move through it?
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?
The diagram below shows an electric circuit. How many variable resistors are there in the circuit?
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?
Which of the following is the correct circuit symbol for a resistor?