Which of the following is likely to have the largest resistance ?
Correct answer: A. Voltmeter of range 10 V
- A. Voltmeter of range 10 V
- B. Moving coil galvanometer
- C. Ammeter of range 1 A
- D. A copper wire of length 1 m and diameter 3 mm
Explanation
A 10 V voltmeter is designed with a large series resistance to draw very little current. An ammeter and galvanometer have relatively low resistance, while a short, thick copper wire has extremely low resistance.
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