Electricity Revision Foundation AQA

Current in a series circuit is _________________.

• The same everywhere

• Higher in some components

• Lower in some components

• Different

This is a diagram of what type of circuit?

• Parallel

• 2 Bulbs

• Series

• Off

These diagrams show what type of circuit?

• Series

• Parallel

• 2 Bulbs

• Resistor

A lamp is connected to a 24 V power supply. The current through the lamp is 1.5 A.

Calculate the power of the lamp. (Answer to 2 Sig Fig with unit symbol).

An example of an insulator of electricity is.....

• Rubber

• Silver

• Iron

• Copper

1. Which switch or switches must be closed to make the lamps light?

• Only switch 1

• Only switch 1

• Switches 1 and 2

• Switches 1 , 2 and 3

If lamp 2 is unscrewed from its holder, what will happen to lamp1?

• It will stay lit

• It will go out

• It will get dimmer

• It will dissapear

Current is...

• moving protons
• moving electrons
• measured in volts
• measured in ohms

Tags

NGSS.HS-PS2-5

As the length of a wire increases, the resistance of the wire will

• increase

• decrease

• stay the same

The total resistance of the circuit is

• 9 ohms

• Less than 9 Ohms

• More than 9 Ohms

• We cannot tell