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Class 10 Science Medium Mcq English Medium

The potential difference across a heater is 60 V when it draws 4 A. Its resistance is:

Question
The potential difference across a heater is 60 V when it draws 4 A. Its resistance is:
10 ohm
15 ohm
20 ohm
64 ohm
Answer
15 ohm
Detailed Explanation
R = V/I = 60/4 = 15 ohm.
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