ReasoningModerate1 mark
8(i)
The voltage - current readings of a certain material are shown in the table given below : Study the table.

Justify your answer.
Topic: Voltage-current data and resistance
Question wording verified against source paper
Answer
Exam answer
V/I equals 5 Ω, 6.67 Ω and 7.5 Ω for the three readings, so resistance changes.
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In the circuit given below, identify the lamp (L1, L2, L3 and L4) whose failure would not interrupt the power supply to the other lamps.
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