WAEC Physics 2021 Objective — Question 14
Question 14 of 50 from the West African Examinations Council (WAEC) Physics 2021 Objective paper, with the correct answer and a full explanation.
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14. A student wishes to measure the potential difference across a resistor, R. She has a galvanometer, G and some connecting wires, what else does she need?
- A. A high value resistor connected in parallel with G
- B. A low value resistor connected in parallel with G
- C. A low value resistor connected in series with G
- D. A high value resistor connected in series with GCorrect
Explanation
To convert a galvanometer into a voltmeter, a high resistance (multiplier) is connected in series with it.
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