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Class 10 Science Medium Mcq English Medium

For the resistor above (I=5A, R=4 ohm), the potential difference across it is:

Question
For the resistor above (I=5A, R=4 ohm), the potential difference across it is:
5 V
9 V
20 V
25 V
Answer
20 V
Detailed Explanation
V = IR = 5 A x 4 ohm = 20 V.
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