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A rod resistor obeys non-linear relation...

A rod resistor obeys non-linear relationship between V and l-according to `I = sqrtV//10` This rod is connected in series with a resistance to a 20 V battery of practically no resistance. Find this series resistance for the following cases
(a) the current in the circuit is 0.4 A.
(b) the power dissipated in the rod is twice that dissipated in the resistance

Text Solution

AI Generated Solution

To solve the problem, we need to analyze the given information step by step. ### Given: 1. The relationship between current (I) and voltage (V) for the rod resistor is given by: \[ I = \sqrt{\frac{V}{10}} \] 2. The rod is connected in series with a resistance \( R_s \) to a 20 V battery. ...
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