Electricity- Electricity in the home

Question 1

Alternating _______ changes direction.

Answer 1

Alternating current changes direction

Question 2

_____ current is alternating, has a Potential Difference of 230 V and a frequency of 50
Hz.

Answer 2

Mains current is alternating, has a Potential Difference of 230 V and a frequency of 50
Hz.

Question 3

______ current flows in one direction only. From batteries and photovoltaic cells.

Answer 3

Direct current flows in one direction only. From batteries and photovoltaic cells.

Question 4

A 3 pin plug has three wires: brown is ____, blue is _______, green and yellow striped is
the _____ wire.

Answer 4

A 3 pin plug has three wires: brown is live, blue is neutral, green and yellow striped is
the earth wire.

Question 5

The _____ wire protects against electric shocks if there is a fault.

Answer 5

The earth wire protects against electric shocks if there is a fault.

Question 6

The ____ is attached to the live wire and melts if the current gets too ____.

Answer 6

The fuse is attached to the live wire and melts if the current gets too high.