The current – voltage characteristic of an electric device is as shown in figure (b). The device gets damaged if power dissipated in it exceeds 1 Watt. This device is connected to a dc source of variable emf (V) and a resistance `(R = 100 Omega)` in series. What is possible range of V for which the device remains operational (i.e. consumes some power) and safe.

The current – voltage characteristic of an electric device is as sho

1.	The current – voltage characteristic of an electric device is as shown in figure (b). The device gets damaged if power dissipated in it exceeds 1 Watt. This device is connected to a dc source of variable emf (V) and a resistance `(R = 100 Omega)` in series. What is possible range of V for which the device remains operational (i.e. consumes some power) and safe.
Answer» Correct Answer - `20 V lt V lt 25 V`

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