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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following statement about scalar quantity is true?
- A proton and helium nucleus are shot into a magnetic field at right angles to the field
- An electric charge 10⁻³ μC is placed at the origin (0,0) of X-Y co-ordinate system.
- In a nuclear reactor, the number of U²³⁵ nuclei undergoing fissions per second
- Initial angular velocity of a circular disc of mass M is ?￢ﾂﾁ.Then, two small spheres
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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