A `5H` inductor is placed in series with a `10Omega` resistor. An emf of `5V` being suddenly applied to the combination. Using these values prove the principle of conservation of energy, for time equal to the time constant.

Explanation

To solve the problem, we will follow these steps:

### Step 1: Identify the given values
- Inductance (L) = 5 H
- Resistance (R) = 10 Ω
- EMF (E) = 5 V

### Step 2: Calculate the time constant (τ)
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