Electrostatics-Capacitors [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 8 - 13 of 100

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Passage

Capacitor C3 in the circuit is variable capacitor (its capacitance can be varied) . Graph is plotted between potential differences V, (across capacitor C1) versus C3 , Electric potential V1 approaches on asymptote of 10 volts as C3 ⇾ ∞

Circuit Diagram - Capacitors C2 and C3
Graph of V1 ⇾ C3 for Potential Difference

Question 8 (1 of 3 Based on Passage)

Question MCQ▾

The ratio of the capacitance will be

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 9 (2 of 3 Based on Passage)

Question MCQ▾

The value of C3 for which potential difference across C1 will become 8V, is

Choices

Choice (4)Response

a.

2.5 C1

b.

1.5 C1

c.

3.5 C1

d.

4.5 C1

Edit

Question 10 (3 of 3 Based on Passage)

Question MCQ▾

The ratio of energy stored in capacitor C1 to that of total energy when C3 ⇾ ∞ is

Choices

Choice (4)Response

a.

b.

Zero

c.

Data insufficient

d.

1

Edit

Question 11

Question MCQ▾

Eight drops of mercury of equal radii possessing equal charges combine to form a big drop. Then the capacitance of bigger drop Compared to each individual small drop is

Choices

Choice (4)Response

a.

4 times

b.

8 times

c.

2 times

d.

32 times

Edit

Question 12

Question MCQ▾

Separation between the plates of a parallel plate capacitor is d and the area of each plate is A. When a slab of material of dielectric constant k and thickness t (t < d) is introduced between the plates, its capacitance becomes

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 13

Question MCQ▾

Two dielectric slabs of constant K1 and K2 have been filled in between the plates of a capacitor as shown below. What will be the capacitance of the capacitor?

Capacitor - Two Dielectric Slabs of Constant K1 and K2

Choices

Choice (4)Response

a.

b.

c.

d.

Edit