keeping the potential difference constant ,the resistance of a circuit is double. by what factor does the current change in the circuit?
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the current in the circuit become half.
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Answer:
The Ohm's law gives the relationship between the potential difference, current and the resistance of the circuit. Mathematically, it is given by :
V = potential difference
I = current
R = resistance
If the resistance of the circuit is doubled, R' = 2R
So, the current will becomes the half of the initial current. Hence, this is the required solution
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