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The self-inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source, then the loss of power is 20 W. When its is connected with 10 V AC source loss of power is 10 W. The frequency of AC source will be
Options
(a) 80 Hz
(b) 100 Hz
(c) 120 Hz
(d) 220 Hz
Correct Answer:
80 Hz
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a parallel plate capacitor of capacitance C, a metal sheet is inserted
- A wire mesh consisting of very small squares is viewed at a distance
- An electron in hydrogen atom makes a transition n₁ → n₂
- To observed diffraction, the size of the obstacle
- A and B are two vectors and θ is the angle between them ,if |A x B|=√3(A.B),the value of θ
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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