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A battery of emf E and internal resistan...

A battery of emf E and internal resistance r is connected across a resistance R. Resistance R can be adjusted to any value greater than or equal to zero. A graph is plotted between the current passing through the resistance (I) and potential difference across the termainals of the battery (V). Maximum power developed across the resistance R is

A

Internal resistance of the battery is `5 Omega`

B

EMF of the battery is 10V

C

Maximum curent which can be taken from the battery is 2A

D

EMF of the battery is 5V

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A, B, C
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DC PANDEY ENGLISH-CURRENT ELECTRICITY-All Questions
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  9. In the circuit shown in figure potential difference across

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  10. The resistance of an ideal ammeter is

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  14. Figure shows part of a circuit. Which points have the same potential a...

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  18. The value of the resistance R in figure is adjusted such that power di...

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