A student assembled the electrical circuit shown in Fig. 9.1.
(a)[4]
Complete the circuit diagram in Fig. 9.2 so that it matches the circuit in Fig. 9.1. Use standard circuit symbols.
(b)[3]
Calculate the lamp's resistance.
(c)[2]
State and explain any change to the current in the circuit when the sliding contact moves from position A to position B.
Worked solution & mark scheme
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