11.1 Consider the circuit diagram below.
Switch S is OPEN.
11.1.1 Write down the reading on the following:
(a) Voltmeter (V1) (1)
(b) Ammeter (A1) (1)
Switch S is now CLOSED.
11.1.2 Calculate the equivalent resistance of the circuit. (4)
11.1.3 Calculate the reading on voltmeter V2. (3)
11.1.4 How do the readings on ammeters A2 and A3 compare with each
11.2 The graph below shows the relationship between the resistance and the
length of the conducting wire.
11.2.1 Write down the relationship between the resistance and the length of the conducting wire. (1)
11.2.2 Determine the resistance of wire with a length of 30 mm. (1)