Verified Solution • 2025–26 Session
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QAIPMT-2006-Ph-2441: NEET 2006 Physics - Class 12 AIPMT-2006-Ph-2441 Solution: A coil of inductive reactance \(31 \) has a resistance of \(8…
A coil of inductive reactance has a resistance of . It is placed in series with a condenser of capacitative reactance . The combination is connected to an a.c. source of 110 V. The power factor of the circuit is 0.33 0.56 0.64 0.80
Multiple Choice Options
- A 3
- B 2
- C 1
- D 0.5
Step-by-Step Verified Solution
Power = V . I = I 2 R
i 2 = P o w e r R = 2 8
= 1 4 = 1 2 A
Potential over 8 � = R i 2 = 8 _ 1 2 = 4 V
This is the potential over parallel branch. So,
i 1 = 4 4 = 1 A
Power of 3 � = i 1 2 R = 1 _ 1 _ 3 = 3 W