question_answer

A uniform coil of self-inductance \[1.8\times {{10}^{-4}}\,H\] and resistance 6W is broken up into two identical coils. These two coils are then connected in parallel across a 12 V battery. The circuit time constant and steady state current through the battery respectively are:

A) \[30\text{ }\mu s,\text{ }8\text{ }A\]

B) 30ms, 8mA

C) 30s, 8 A

D) 300s, 800 A