Electricity Quiz - Y10

This is the symbol for a ......

• Cell

• Battery

• Power pack

• Capacitor

This is the symbol for a ...

This is the symbol for a ...

Static electricity is usually caused by ......... between two surfaces.

• friction

• repulsion

• attraction

• contact

If a students hair becomes positively charged when rubbed with a comb, what charge has the comb gained?

Once charged by a van da graff hair stands on end because...

• it is repelled from the other hair.

• It is attracted to the air.

• It moves away from the earth

• opposite charges repel.

In order to create positive static charge an object must...

• lose positive charge.

• gain positive charge.

• lose negative charge.

• gain negative charge.

What is the correct equation that links power, current and voltage.

• P = V/I

• P = VI

• V = I/P

• V = IP

A toaster has a power of 1800 W operating at a voltage of 230 V, how much current does the toaster use? ..... A (value only needed to 2 sig fig)

If a toaster draws about 8A of current which fuse should be used?

• 1A

• 3A

• 7A

• 13A