Electricity Topic Initial Questions

A battery (or power supply) can be a source of charge in a circuit. The charge that flows through the circuit originates in the cell/supply.

• True

• False

When a battery no longer works, it is out of charge and must be recharged before it can be used again.

• True

• False

Charge becomes used up as it flows through a circuit. The amount of charge that exits a light bulb is less than the amount that enters the light bulb.

• True

• False

Charge flows through circuits at very high speeds. This explains why the light bulb turns on immediately after the wall switch is flipped.

• True

• False

For the same current, electrons in a thin wire travel faster than those in a thick wire

• True

• False

The local electrical power company supplies millions and millions of electrons to our homes everyday.

• True

• False