Verified Solution • 2025–26 Session
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QAIPM-2012-Ph-1663: NEET 2012 Physics - Class 12 AIPM-2012-Ph-1663 Solution: A cell having an emf \( \) and internal resistance r is…
A cell having an emf and internal resistance r is connected across a variable external resistance R. As the resistance R is increased the plot of potential difference V across R is given by
Multiple Choice Options
- A https://pub-09328fb7cd7b4b94aaf562e6bb66ceaf.r2.dev/photos/0f61eb9274291ec9341f3a1739f12b121451d60314ec917243e06bfc97565f6c.webp
- B https://pub-09328fb7cd7b4b94aaf562e6bb66ceaf.r2.dev/photos/eddd21760f68e415b49a41927fbab15645ffd0700525cd81d62d72a84baaec72.webp
- C https://pub-09328fb7cd7b4b94aaf562e6bb66ceaf.r2.dev/photos/52f926244e9983bd9dd90c964e95456efcf75674c234f34c29576047234d0768.webp
- D https://pub-09328fb7cd7b4b94aaf562e6bb66ceaf.r2.dev/photos/d690a7591a4f7bb5c768224600b8d802bf425028dfae66ce3984468d9794d735.webp
Step-by-Step Verified Solution
Current in the circuit, I = _ R + r
Potential difference across R,
V = I R = ( _ R + r ) R
V = _ 1 + r R
When R = 0, V = 0 and when R = � , V = _
_ option (c) represents the correct graph.