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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
- An experiment takes 10 minutes to raise temperature of water from 0⁰C to 100⁰C
- When two displacements represented by y₁=a sin(?t) are superimposed the motion is
- In intrinsic semiconductor at room temperature number of electrons and holes are
- If μᵥ=1.5230 and μʀ=15.145, then dispersive power of crown glass is
- If the ionisation energy for the hydrogen atom is 13.6 eV, the energy required
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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