Circuits & components

What component does this circuit symbol represent ?

Choose the correct name for this circuit symbol

• Closed switch

• Open switch

• conducting wire

• open conducting wire

The following circuit symbol is for a _______

• Fuse

• resistor

• switch

The electrical safety device that breaks a circuit due to a fault in the appliance is called a ____

• Resistor

• fuse

• switch

A resistor opposes / slows down the flow of current in a circuit. Which component is a resistor in a circuit

• Cell

• Bulb

Current can be defined as ..

• the flow of charge through a conductor / rate of flow of charge through a circuit

• the energy that makes electric charges move

A circuit that has 2 cells connected with both positive terminals together, wire, an ammeter and a bulb, will have a reading on the ammeter.

• True

• False

Study the circuits alongside. The cells found in the circuits are 9V each. Which circuit will have the highest voltage?

• circuit 1

• circuit 2

• circuit 3

Suppose an ammeter and voltmeter were connected on all circuits alongside. Which description is correct for these meters?

• Circuit 2 and 3 will have an ammeter reading.

  Circuit 2 and 3 will have a voltmeter reading.

• Circuit 2 and 3 will have a voltmeter reading.

  Circuit 3 will have an ammeter reading, but circuit 2 wont have an ammeter reading.