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An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance. The power dissipated in it is
Options
(a) 90 W
(b) 90√2 W
(c) 45 W
(d) 45√2 W
Correct Answer:
90 W
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
- The mass of a lift is 2000kg. When the tension in the supporting cable is 28000N, then its acceleration is
- A coin of mass m and radius r having moment of inertia I about the axis passes
- Dimensions [ML⁻¹T⁻¹] are related with
- The current in a conductor varies with time t as I=2t+3t² Where I is in amperes
- Cohesive force is experienced between
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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