A student examines how the resistance of a filament lamp varies as the current through it is changed.
(a)[2]
In the blank space below, redraw the circuit with the voltmeter and ammeter attached in the correct places.
(b(i))[1]
What observation does the student make to confirm quickly that the lamp filament is not broken?
(b(ii))[1]
Suggest why the lamp does not appear to light.
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