Electrostatic Potential and Capacitance Test

Result

Electrostatic Potential and Capacitance Test - 88

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Weekly Quiz Competition

Question 1
1 / -0

Find equivalent capacitance between $$A$$ and $$B$$.

A
$$3 \ C$$

B
$$5 \ C$$

C
$$4 \ C$$

D
$$2 \ C$$

Solution
Question 2
1 / -0

The equivalent capacitnce $$C_{AB}$$ of the circuit is shown in the figure is

A
$$\cfrac 5 4 C$$

B
$$\cfrac 4 5 C$$

C
$$\cfrac 4 2 C$$

D
$$C$$

Solution
Question 3
1 / -0

In the arrangement shown in the figure each capacitor has a capacitance $$1\mu F$$. Find the equivalent capacitance across AB.

A
$$1\mu F$$

B
$$2\mu F$$

C
$$3\mu F$$

D
$$4\mu F$$

Solution
Question 4
1 / -0

The diagram shows two capacitors with capacitance and breakdown voltages as mentioned. What should be the maximum value of the external emf source such that no capacitor undergoes breaks down ?

A
2.5 kV

B
10/3 kV

C
3 kV

D
1 kV
Question 5
1 / -0

Four plates are located of a distance 'd' apart from one another. The extreme plates are inter connected. A potential difference of V is applied to inner plates. The electric field E between '1' and '2' plates is :-

A
$$\dfrac { V }{ 4d } $$

B
$$\dfrac { V }{ 2d } $$

C
$$\dfrac { V }{ d } $$

D
$$\dfrac { V }{3 d } $$

Solution
Question 6
1 / -0

In the following circuit, The resultant capacitance between A and B is $$1\mu F$$ Then value of C is

A
$$\dfrac { 32 }{ 11 } \mu F$$

B
$$\dfrac { 11 }{ 32 } \mu F$$

C
$$\dfrac { 23 }{ 32 } \mu F$$

D
$$\dfrac { 32 }{ 23 } \mu F$$

Solution
Question 7
1 / -0

Consider the situation as shown in figure. The variation of potential as one moves from left to right along branch containing the capacitors, is :-

A
$$C_{1}=C_{2}$$

B
$$C_{1} < C_{2}$$

C
$$C_{1} > C_{2}$$

D
None

Solution
Question 8
1 / -0

Six indentical capacitors are joined in parallel charged to a potential difference of $$10\, Volt$$, separated and then connected in serise, i.e. The positive plate of one is connected to the negative plate of the other. Then the potential difference between the free plates is -

A
$$10\, volts$$

B
$$30\, volt$$

C
$$60\, volt$$

D
$$10/6\, volt$$

Solution
Question 9
1 / -0

Two conductors, each of capacitance 1F are charged to potential of 10 V and 6 V respectively. They are then joined together. Their common potential will be

A
16 V

B
8 V

C
4 V

D
1 V

Solution
Question 10
1 / -0

Two capacitors of capacitances $$4\mu F$$ and $$6\mu F$$ are connected across a 120 V battery in series with each other. What is the potential difference across the $$4\mu F$$ capacitor?

A
40V

B
48V

C
60V

D
72V

Solution