Circuits - Series and Parallel

Q3. In the circuit shown below, the battery, has a voltage of 6.0 V.

(a) Calculate the current through the ammeter when the switch S is

(i) open,

(ii) closed

(3)

(b) The switch S is now replaced with a voltmeter of infinite resistance. Determine the reading on the voltmeter.

(2)

(Total 5 marks)