What will be the current, if the potential difference is kept constant
and the resistance of the circuit is made four times?
(A) It will remain unchanged.
(B) It will become four times the initial current.
(C) It will become one-fourth the initial current
D) It will become half the initial current.
In a voltmeter, there are 20 divisions between the O mark and
0.5 V mark. What is the least count of the voltmeter?
(A) 0.020 V (B) 0.025 V (C) 0.050 V (D) 0.250 V
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Answer:
it remains unchanged four times
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