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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
- Complete the reaction: ₀n¹+ ₉₂U²³⁵→₅₆Ba¹⁴⁴+……..+3n
- The de-Broglie wavelength of an electron moving with a velocity 1.5×10⁸ ms⁻¹ is equal
- A proton beam enters a magnetic field of 10⁻⁴ Wb/m² normally. If the specific charge
- A cell of emf E and internal resistance r supplies current for the same time
- If the half-life of a material is 10 yr, then in what time, it becomes 1/4th part
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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