CBSE Class 12 Electrostatic Potential and Capacitance Multiple Choice Questions with Answers. MCQ Questions Class 12 Electrostatic Potential and Capacitance with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 12 Electrostatic Potential and Capacitance MCQs with Answers to know their preparation level.
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MCQ Questions Class 12 Electrostatic Potential and Capacitance with Answers - Set - 4
Question 1:Â
In previous question, mass transferred to polythene is:
(a) 3.64 × 1020 kg
(b) 4 × 10-28 kg
(c) 4 × 1010 kg
(d) None of these
Correct Answer – (A)
Question 2 :Â
A polythene piece rubbed with wool is found to have a negative charge of 6.4 × 10-9c. How many electrons have been transferred during the process?
(a) 4 × 1012
(b) 4 × 1011
(c) 4 × 1010
(d) None of these
Correct Answer – (C)
Question 3 :Â
Choose the vector physical quantity:
(a) Electric flux
(b) Electric potential
(c) Electric potential energy
(d) Electric intensity
Correct Answer – (D)
Question 4 :Â
Minimum number of capacitor of 2µF each required to obtain a capacitance of 5µF will be:
(a) 4
(b) 3
(c) 5
(d) 6
Correct Answer – (A)
Question 5 :Â
Two capacitors of 3 µF and 6 µF are connected in series with a battery of P.d. 12 V. The P.d. across 3µF and 6µF
capacitors respectively will be :
(a) 8 V, 4 V
(b) 6 V, 6 V
(c) 4 V, 8 V
(d) 9 V, 3 V
Correct Answer – (A)
MCQ Questions Class 12 Electrostatic Potential and Capacitance with Answers
Question 6 :Â
In the above question:
(a) no electrons are transferred
(b) electrons are transferred from wool to x polythene
(c) electrons are transferred from polythene to wool
(d) nothing can be decided
Correct Answer – (B)
Question 7 :Â
The surface density of charge is measure:
(a) Cm-1
(b) Cm-2
(c) Cm-3
(d) JC-1
Â
Correct Answer – (B)
Question 8 :Â
When a dielectric slab is introduced between the plates of a parallel plate capacitor which remains connected to a battery then charge on the plates relative to earlier charge is :
(a) more
(b) less
(c) less or may be more
(d) same
Correct Answer – (A)
Question 9 :Â
An electric charge of 425 f µC is removed from a fully charged capacitor of capacitance 8.5µF. Its potential will be lowered by:
(a) 75 V
(b) 100 V
(c) 85 V
(d) 50 V
Correct Answer – (B)
Question 10 :Â
A capacitor is connected across a battery and the plate separation of capacitor is increased without removing the battery, then:
(a) capacitance will increase
(b) charge stored will increase
(c) energy stored will decrease
(d) potential difference will increase
Correct Answer – (C)
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