NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 21

MEDIUM

12th ICSE

IMPORTANT

Earn 100

Two capacitors have an equivalent capacitance of $24 μF$ when joined in parallel and of $6 μF$ when joined in series. What are their individual capacitances?

Important Questions on Capacitors and Dielectrics

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 22

How and how many capacitors each having capacitance of

2.0 μF

should be connected so that the total potential difference of the arrangement becomes

300 V

if the arrangement is given a charge of

75 μC .

HARD

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 23

We have two variable capacitors; each of them can be varied from

10 pF

to

500 pF

. What minimum and maximum capacitances can be obtained by combining them?

HARD

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 24

Three equal capacitors joined in parallel take a total charge of

1.8 μC

From a

2 V

Cell. How much charge will they take from the same cell, if joined in series?

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 25

Two parallel-plate capacitors,

20 μF

and

30 μF

Are charged to

30 V

and

20 V

Respectively. If their plates with same type of charges are connected together, then find the common

PD

Between the plates of the capacitors.

HARD

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 26

A

0.2 μF

Capacitor is charged to a potential of

600 V

After disconnecting the battery, it is connected in parallel to a

1.0 μF

Capacitor. What will be the new potential?

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 27

A

80 μF

Capacitor is Charged by a

50 V

battery. The capacitor is disconnected from the battery and then connected across another uncharged

320 μF

Capacitor. Find the charge on the second capacitor.

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 28

Two capacitors $4 μF$ and $2 μF$ are connected in parallel with a battery of $6 V$ . Find $PD$ across each capacitor,

HARD

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 28

Two capacitors $4 μF$ and $2 μF$ are connected in parallel with a battery of $6 V$ . Find charge on each.