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In the circuit shown in figure (a), the ...

In the circuit shown in figure (a), the emf of the ideal cell is `E = 100 V` and resistance `R` is `10 Omega`. The current `(I)` – Voltage `(V)` characteristic of the circuit contained in box A is as shown in figure (b). find the potential difference across the box A.

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The correct Answer is:
25 V
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