22. Name the apparatus required in the experimental demonstration of verifying the relation
between the resistance of a conductor and its length.
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3
Answer:
Measure the value of current using ammeter and note the value. ... You will observe that the current decreases with increase in the length of the spoke. Thus the resistance of each spoke increases with increase in the length for a constant potential difference.
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Answer:
Battery voltmeter ammeter resistance key conductor
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