A) i = 0.5 A
B) i > 0.5 A
C) i < 0.5 A
D) i = 0
Correct Answer: B
Solution :
If resistance is constant (10W) then steady current in the circuit \[i=\frac{5}{10}=0.5\,A\]. But resistance is increasing it means current through the circuit start decreasing. Hence inductance comes in picture which induces a current in the circuit in the same direction of main current. So i > 0.5 A.
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