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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.
Related Questions: - The charge flowing through a resistance R varies with time t as Q=at-bt²,
- A bar magnet of moment of inertia I is vibrated in a magnetic field of induction
- A flywheel rotating about a fixed axis has a kinetic energy of 360 J when
- Which of the two have same dimensions?
- Equal currents are passing through two very long and straight parallel wires
Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The charge flowing through a resistance R varies with time t as Q=at-bt²,
- A bar magnet of moment of inertia I is vibrated in a magnetic field of induction
- A flywheel rotating about a fixed axis has a kinetic energy of 360 J when
- Which of the two have same dimensions?
- Equal currents are passing through two very long and straight parallel wires
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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