Here we will provide you the 50+ MCQ Questions of ** Electrostatic Potential and Capacitance** for NEET-UG. Electrostatic Potential and Capacitance is the chapter 2 in Class XII or Class 12 Physics NCERT Unit Electrostatic Potential and Capacitance NEET (conducted by NTA) is based on the NCERT book.

These 50+ MCQ questions are selected by the experts of studyrate.in and these are more difficult questions, which will help you to better understand ** Electrostatic Potential and Capacitance** NEET MCQ Questions with Answers.

**Electrostatic Potential and Capacitance** NEET MCQ

**Electrostatic Potential and Capacitance****A parallel plate capacitor of capacitance C has a charge Q on its plates. If the separation between the plates is doubled, the potential difference across the plates will become:**a) Q/2C

b) Q/C

c) Q/4C

d) Q/8C

**A spherical conductor of radius R has a charge Q on it. The electric potential at a point P outside the sphere, at a distance r from the centre, is proportional to:**a) Q/r

b) Q/R

c) Q/R²

d) Q/r²

**Two point charges +Q and -Q are placed at a distance d apart. The electric potential at a point P, on the line joining the two charges, at a distance r from the midpoint of the line joining the two charges, is proportional to:**a) Q/d

b) Qd/r²

c) Q/r

d) Q/2d

**A metal sphere of radius R has a charge Q on it. Another identical uncharged sphere is brought in contact with the first sphere and then removed. The final charge on the first sphere is:**a) Q/2

b) Q/4

c) Q

d) 2Q

**A parallel plate capacitor is charged and then disconnected from the battery. A dielectric slab of dielectric constant K is inserted between the plates. The energy stored in the capacitor:**a) increases by a factor of K

b) decreases by a factor of K

c) remains the same

d) becomes zero

**A capacitor of capacitance C is charged to a potential V and then disconnected from the battery. A dielectric slab of dielectric constant K is inserted between the plates. The potential difference across the plates becomes:**a) V/K

b) V

c) KV

d) K²V

**Two capacitors of capacitances C₁ and C₂ are connected in parallel and charged to a potential V. They are then disconnected and connected in series. The energy stored in the capacitors after the second connection is:**a) (C₁C₂/2(C₁+C₂))V²

b) (C₁C₂/(C₁+C₂))V²

c) (C₁C₂/4(C₁+C₂))V²

d) (C₁C₂/(2C₁+2C₂))V²

**Two capacitors of capacitances C₁ and C₂ are charged to potentials V₁ and V₂ respectively. They are then disconnected and connected in parallel. The potential difference across each capacitor after the second connection is:**a) V₁+V₂

b) V₁/V₂

c) V₂/V₁

d) (C₁V₁+C₂V₂)/(C₁+C₂)

**A capacitor of capacitance C is connected in series with a resistance R and a battery of emf E. The time constant of the circuit is:**a) RC

b) C/R

c) RE/C

d) E/RC

**A charge Q is placed at the centre of a cube of side a. The electric potential at a point on the surface of the cube, at a distance a/2 from the centre, is proportional to:**a) Q/a

b) Qa

c) Q/a²

d) Q/2a

**Two identical conducting spheres A and B are connected by a conducting wire. They are then separated and a potential difference V is applied between them. The energy required to separate the spheres is:**a) (3/2)CV²

b) 2CV²

c) (1/2)CV²

d) (3/4)CV²

**A parallel plate capacitor of capacitance C is charged to a potential V. A thin metal sheet is now inserted halfway between the plates, without touching them. The capacitance of the capacitor now becomes:**a) C/2

b) C

c) 2C

d) 4C

**A capacitor of capacitance C is charged to a potential V and then connected in parallel with an uncharged capacitor of capacitance C. The total energy stored in the capacitors after the connection is:**a) (3/2)CV²

b) CV²

c) (1/2)CV²

d) (5/4)CV²

**A parallel plate capacitor of capacitance C is charged to a potential V. A dielectric slab of thickness t and dielectric constant K is now inserted between the plates, covering the entire area of the plates. The energy density of the electric field in the capacitor now becomes:**a) (1/2)ε₀(E/K)²

b) (1/2)ε₀(E/K)²(K-1)

c) (1/2)ε₀(E/K)²(K+1)

d) (1/2)ε₀(E/K)²(K²-1)

**A parallel plate capacitor of capacitance C is charged to a potential V. A slab of thickness t and dielectric constant K is now inserted between the plates, covering only half of the area of the plates. The energy stored in the capacitor now becomes:**a) (1/2)CV²

b) (1/4)CV²

c) (3/8)CV²

d) (5/8)CV²

**A spherical capacitor is made of two concentric conducting spheres of radii R and 2R, separated by a vacuum. The capacitance of the capacitor is:**a) (4πε₀R)/(1-1/4)

b) (4πε₀R)/(1/4)

c) (4πε₀R)/(1-1/2)

d) (4πε₀R)/(1/2)

**Three identical capacitors, each of capacitance C, are connected in series to a battery of emf V. The charge on each capacitor is q. The energy stored in each capacitor is:**a) (1/6)CV²

b) (1/2)CV²

c) CV²

d) 2CV²/3

**A parallel plate capacitor of capacitance C is charged to a potential V. A slab of thickness t and dielectric constant K is now inserted between the plates, covering only one-fourth of the area of the plates. The capacitance of the capacitor now becomes:**a) C/4

b) CK/4

c) 4C/K

d) 4CK

**Two capacitors of capacitances C and 2C are connected in series to a battery of emf V. The charge on the capacitor of capacitance C is q. The potential difference across the capacitor of capacitance C is:**a) V/3

b) V/4

c) V/5

d) V/6

**A parallel plate capacitor of capacitance C is charged to a potential V. A thin metal sheet is now inserted between the plates, touching one of them. The capacitance of the capacitor now becomes:**a) C/2

b) C/3

c) 2C/3

d) 2C

**A spherical capacitor is made of two concentric conducting spheres of radii R and 2R, separated by a dielectric of dielectric constant K. The capacitance of the capacitor is:**a) (4πε₀R)/(1-1/K)

b) (4πε₀R)/(1/K)

c) (4πε₀R)/(1-K)

d) (4πε₀R)/(K-1)

**A parallel plate capacitor of capacitance C is charged to a potential V. A slab of thickness t and dielectric constant K is now inserted between the plates, covering only one-half of the area of the plates. The capacitance of the capacitor now becomes:**a) C/2

b) CK/2

c) 2C/K

d) 2CK

**A parallel plate capacitor of capacitance C is charged to a potential V. The plates are now disconnected from the battery and a dielectric slab of thickness t and dielectric constant K is inserted between the plates, covering the entire area of the plates. The final energy stored in the capacitor is:**a) (1/2)CV²

b) (1/2)CKV²

c) (1/2)KCV²

d) (1/2)CK²V²

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