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Q10. A resistance of 20 ohms has a current of 2 amperes flowing in it. What potential difference is there between its ends?
Q10. A resistance of 20 ohms has a current of 2 amperes flowing in it. What potential difference is there between its ends?
CBSE | Class 10 | Electricity | Lakhmir Singh | Physics
Q10. A resistance of 20 ohms has a current of 2 amperes flowing in it. What potential difference is there between its ends?

Answer:

Given in question :

Resistance, R = 20 Ohms

Current, I = 2 amp

We know that,

V = IR

Therefore, V = 2 × 20 = 40V

i

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