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QNEET-2018-Ph-902: NEET 2018 Physics - Class 12 NEET-2018-Ph-902 Solution: A battery consists of a variable number n of identical cells…
A battery consists of a variable number n of identical cells (having internal resistance r each) which are connected in series. The terminals of the battery are short-circuited and the current I is measured. Which of the graphs shows the correct relationship between I and n?
Multiple Choice Options
- A https://pub-09328fb7cd7b4b94aaf562e6bb66ceaf.r2.dev/photos/08e3522f4b679bad9ccb9819c6da4edb8d28ca77c5cacab7806288b3c35fc9ce.webp
- B https://pub-09328fb7cd7b4b94aaf562e6bb66ceaf.r2.dev/photos/ed57c2e0acc6f031b7ac76a99aa2b7462a1a60134f75f9e5902bee3e99191051.webp
- C https://pub-09328fb7cd7b4b94aaf562e6bb66ceaf.r2.dev/photos/e26e054574e627f744788eb1a3aa54497b58169c8e3362f3d2766f9090700fb8.webp
- D https://pub-09328fb7cd7b4b94aaf562e6bb66ceaf.r2.dev/photos/2ee33b660ea577a6c12b13f9002d5b0d063aa6ba1e1b003d4a4193ce8ceafcb9.webp
Step-by-Step Verified Solution
Current drawn from the
cell is
I = n _ n r = _ r
So, I is independent of
n and I is constant.