An Emf of 10 V Is Applied to a Coil $\varOmega$

question 5

Multiple Choice

An emf of 10 V is applied to a coil having a resistance of 0.50 $\varOmega$ .If it takes 0.55 s for the current to reach one half of its maximum value,what is the inductance of the coil?

• A)229 mH
• B)312 mH
• C)397 mH
• D)40 mH

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