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  • Figure shows a circuit that contains four identical resistors with resistance two identical inductors with inductance <img alt="L = 2

Figure shows a circuit that contains four identical resistors with resistance R = 2.0 \Omega , two identical inductors with inductance L = 2.0 \; m H and an ideal battery with emf E = 9 V. The current 'i' just after the switch 's' is closed will be :
 
Option: 1 9 A
Option: 2  2.25 A 
Option: 3 3.0 A
Option: 4 3.37 A

Answers (1)

best_answer

Just when switch S is closed, inductor will behave like an infinite resistance. Hence, the circuit will be like

Given: V = 9 V

From V = IR

I = V/R

Req. = 2 + 2 = 4 Ω

i = 9/4 = 2.25 A

Posted by

avinash.dongre

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