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The frequency of an alternating voltage is 50 cycles per second and its amplitude is 120 V. Then the r.m.s. value of voltage is
Options
(a) 84.8 V
(b) 101.3 V
(c) 70.7 V
(d) 56.5 V
Correct Answer:
84.8 V
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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- In Wheatstone bridge, three resistors P,Q and R are conncected in three arms
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The focal length of the objective of a terrestrial telescope is 80 cm
- In Wheatstone bridge, three resistors P,Q and R are conncected in three arms
- A single slit Fraunhogger diffraction pattern is formed with white light.
- A proton is moving in a uniform magnetic field B in a circular path of radius a
- A conductor of length 5 cm is moved parallel to itself with a speed of 2 m/s,
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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