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An electric lamp which runs at 80 volt d...

An electric lamp which runs at 80 volt d.c. and consumes 10 ampere is connected to 100 volt, 50 Hz a.c. mains. Calculate the inductance of the choke required.

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To solve the problem of finding the inductance of the choke required for an electric lamp that runs on 80 V DC and consumes 10 A when connected to a 100 V, 50 Hz AC mains, we can follow these steps: ### Step-by-Step Solution: 1. **Calculate the Resistance of the Lamp:** The resistance (R) of the lamp can be calculated using Ohm's law: \[ R = \frac{V_{DC}}{I} = \frac{80 \, \text{V}}{10 \, \text{A}} = 8 \, \Omega ...
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