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प्रश्न
The internal resistance of a cell of emf 2 V is 0.1 Ω it is connected to a resistance of 0.9 Ω. The voltage across the cell will be ______.
पर्याय
0.5 V
1.8 V
1.95 V
3 V
MCQ
रिकाम्या जागा भरा
उत्तर
The internal resistance of a cell of emf 2 V is 0.1 Ω it is connected to a resistance of 0.9 Ω. The voltage across the cell will be 1.8 V.
Explanation:
E = I (r + R)
∴ I = `"E"/("r"+"R")`
= `2/(0.1+0.9)`
I = 2 A
∴ V = IR
= 2 × 0.9
= 1.8 V
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Electromotive Force (emf)
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 11: Electric Current Through Conductors - Exercises [पृष्ठ २१९]
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