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When two identical capacitors are in series, they have 3 μF capacitance and when in parallel 12 μF. What is the capacitance of each?
Options
(a) 6 μF
(b) 3 μF
(c) 12 μF
(d) 9 μF
Correct Answer:
6 μF
Explanation:
Let C = each capacitance
In parallel, (C + C) = 12 ⇒ 2C = 12
⇒ C = 6 μF
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The valence band and the conductance band of a solid overlap at low temperature
- An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance.
- An engine is moving towards a wall with a velocity 50 ms⁻¹ emits a note of 1.2 kHz.
- A hollow metal sphere of radius 10 cm is charged such that the potential on its surface
- A disc of mass 100 g is kept floating horizontally in air by firing bullets
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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