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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 bus is moving with a velocity of 5 ms⁻¹ towards a huge wall.
- A gaussian sphere encloses an electric dipole within it. The total flux
- An alternating voltage of 220 V, 50 Hz frequency is applied across a capacitor
- A choke is preferred to a resistance for limiting current in AC circuit because
- A ray of light is incident on a transparent glass slab of refractive index 1.62
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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