Electrostatics (AIIMS Physics): Questions 16 - 20 of 36

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Question number: 16

» Electrostatics » Capacitors

Appeared in Year: 1998

MCQ▾

Question

What is the area of the plate of a 3F parallel plate capacitor, if the separation between the plates is 5 mm? [AIIMS]

Choices

Choice (4) Response

a.

4.569×109m2

b.

9.281×109m2

c.

1.694×109m2

d.

12.918×109m2

Question number: 17

» Electrostatics » Capacitors

Appeared in Year: 2000

MCQ▾

Question

Three capacitors of capacitance 3µF, 10µF and15µF are connected in series to a voltage source of 100V. The charge on 15µF is – [AIIMS]

Choices

Choice (4) Response

a.

200 µC

b.

160 µC

c.

280 µC

d.

50 µC

Question number: 18

» Electrostatics » Conductors and Insulators

MCQ▾

Question

A conducting sphere of radius 20 cm is charged with 30µC . Another uncharged sphere of radius 60 cm is allowed to touch it for some time. After that if the sphere are separated, then surface density of charged on the spheres will be in the ratio of:

Choices

Choice (4) Response

a.

1: 3

b.

3: 1

c.

1: 2

d.

2: 1

Question number: 19

» Electrostatics » Capacitors

MCQ▾

Question

Three capacitors of capacitance 2µF,5µFand10µF are connected in series to a voltage source of 200V. The charge on 10µF is –

Choices

Choice (4) Response

a.

50µC

b.

300µC

c.

250µC

d.

150µC

Question number: 20

» Electrostatics » Electric Field

MCQ▾

Question

Two parallel large thin metal sheets have equal surface charge densities (σ=35.4×1012Cm2) of opposite signs. The electric field between these sheets is –

Choices

Choice (4) Response

a.

1.5NC

b.

1.5×1010NC

c.

4×1010NC

d.

4NC

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