Capacitance (The Combination of Capacitors in Series and Parallel...) NEET Questions

Physics - Electrostatics

Capacitance (The Combination of Capacitors in Series and Parallel...) MCQ Questions


13.
The unit of capacitance is:

NEET - 2023

A.
Joule
B.
Coulomb/Farad
C.
Farad/Volt
D.
Farad
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ANSWER :
D. Farad
14.
The SI unit of capacitance is:
A.
Ohm
B.
Coulomb
C.
Volt
D.
Farad
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ANSWER :
D. Farad
15.
The capacitance of a parallel plate capacitor without dielectric is C. What will be the capacitance if a dielectric of dielectric constant K is introduced?
A.
K²C
B.
C/K
C.
C/K²
D.
KC
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ANSWER :
D. KC
16.
If two capacitors of capacitance C1 and C2 are connected in parallel, the equivalent capacitance is:
A.
C1C2 / (C1 + C2)
B.
C1 + C2
C.
C1 - C2
D.
(C1 + C2) / 2
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ANSWER :
B. C1 + C2
17.
If the distance between the plates of a parallel plate capacitor is doubled while keeping the charge constant, the electric field:

NEET - 2022

A.
Doubles
B.
Becomes half
C.
Remains the same
D.
Becomes zero
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ANSWER :
B. Becomes half
18.
The energy stored in a capacitor with charge Q and capacitance C is:
A.
CQ²
B.
Q² / 2C
C.
2CQ
D.
C² / Q
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ANSWER :
B. Q² / 2C