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Questions on Electric Circuits

Q15. The back window of this car contains a heating element.

The heating element is part of an electrical circuit connected to the battery of the car.

The diagrams below show two ways of connecting the circuit of a heating element.

(a)

(i) Give the name for the type of circuit A

(ii) Give the name for the type of circuit B

2 marks

(b) A wire gets broken at point X on circuit A and at point Y on circuit B.

When the switch is closed, how does the broken wire affect the heating element in:

(i) circuit A?

1 mark

(ii) circuit B?

1 mark

Maximum 4 marks