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An ac voltage is applied to a resistance R and an inductor L in series. If R and the inductive reactance are both equal to 3Ω, the phase difference between the applied voltage and the current in the circuit is
Options
(a) π/6
(b) π/4
(c) π/2
(d) zero
Correct Answer:
π/4
Explanation:
The phase difference is given by
tan ? = Xₗ / R = 3/3 = 1
? = π/4
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle is moving such that its position coordinates (x,y) are (2 m,3 m) at time
- In a tangent galvanometer, a current of 0.1 A produces a deflection of 30⁰.
- The ratio of specific heats Cp/Cv=γ in terms of degrees of freedom (n) is given by
- A filament bulb (500W,100V) is to be used in a 230V main supply. When a resistance
- The wave function (in SI unit) for a light wave is given as Ψ(x,t)= 10³ sin π
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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