Grade 8 - Physics - 9.8 "How components affect the current"

If you add more light bulbs in a series circuit the light will become ............

• Dimmer

• Brighter

• Uglier

• More beautiful

In a parallel circuit the light will not be ............ if you add more light bulbs.

• Dimmer

• Brighter

• None of the above

• Affected

If the resistance decreases the current ...........

• Decreases

• Increases

• Not be affected

• None of the above

As you add more cells (batteries) the light will ................

• Increase

• Decrease

• Not be affected

• None of the above

As the current decreases the resistance .............

• Increases

• Decreases

• Not be affected

• None of the above

Voltage is measured in ..........

• Volts (V)

• Amperes (A)

• Ohms (ohms)

• None of the above

Current = ?

• Voltage / Resistance

• Resistance / Voltage

• Resistance x Voltage

• Voltage x Resistance

Resistance = ?

• Voltage / Current

• Current / Voltage

• Voltage x Current

• Current x Voltage

Voltage = ?

• Current x Voltage

• Current x Resistance

• Current / Resistance

• Resistance / Current

If the current beside light bulb A in a parallel circuit is 0.3, and the current beside light bulb B is 0.8. The current beside the battery is ..........

• 0.11

• 1.0

• 1.1

• 1.2