What will be the change in the current if the potential difference is kept constant and the resistance of the circuit is made four times?
- It will remain unchanged.
- It will become four times.
- It will become one-fourth.
- It will become half.
(c) It will become one-fourth.
According to Ohm’s law, the product of current and resistance should remain constant if the potential applied is the same. Hence, if resistance is made four times, then current should be one-fourth.
Concept: Ohm's Law (V = IR)
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