1. If the key K2 is kept open and resistance r is increase the balancing length of the wire will
A) increase
B) decrease
C) remain unaffected
D) become zero
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Answer:
decrease resistance S, the current through AB remains the same
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1. If the key K2 is kept open and resistance r is increase the balancing length of the wire will
A) increase
B) decrease
C) remain unaffected
D) become zero
for the given question the correct answer is B) decrease
If the key K2 is kept open and resistance r is increase the balancing length of the wire will decrease
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