(a(i))[1]
A student finishes the circuit and then measures the current in the 6.0 Ω resistor. On Fig. 10.1, add an ammeter symbol in one gap and straight lines to show wires in the other gaps to indicate how the student should carry this out.
(a(ii))[2]
A voltmeter is used to measure the potential difference (p.d.) across the 4.0 Ω resistor. On Fig. 10.1, draw a voltmeter symbol in the right position.
(a(iii))[4]
Calculate the value of the current in the 6.0 Ω resistor.
(b)[2]
On Fig. 10.2, add a diode symbol in one gap and a straight line to represent a wire in the other gap so that current flows from right to left in the 4.0 Ω resistor and an alternating current remains in the 2.0 Ω resistor.