Question

A coil has a resistance of 2 Ω and inductance of 0.1 mH. The applied voltages is suddenly increased from 10 V to 20 V. After steady state condition have reached, the current is

a.

2 A

b.

more than 2 A but less than 4 A

c.

4 A

d.

more than 4 A

Answer: (c).4 A

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Q. A coil has a resistance of 2 Ω and inductance of 0.1 mH. The applied voltages is suddenly increased from 10 V to 20 V. After steady state condition have reached, the current is

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