Electricity Exam Review

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The type of closed circuit in which you can add or remove light bulbs with no effect on the other bulbs in the circuit.

A calculator uses a 9 Volt battery and draws 0.1 A of current. How much power does it use?

The measurement of the electrical potential difference between the positive and negative portions of a battery is known as ____. This is the force that pushes the current along the circuit.

Which of the following prevents electrical fires and is composed of plastic that melts if a circuit becomes to hot?

What units are used to measure resistance?

A toy car with a resistance of 20 Ohms is connected to a 3 Volt battery. How much current flows in the car?

The type of closed circuit in which the electrons have only one path or loop to travel through is known as a ___ circuit.

Use Ohm's Law to determine the current found in a circuit that has a 1.5 V battery and a light bulb with a resistance of 2 Ohms.