HARD
12th ICSE
IMPORTANT
Earn 100

Define SI unit of capacitance. Write its dimensions.

Important Questions on Capacitors and Dielectrics

EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 2
What is a ‘farad? How many pico-farads are there in 1 farad?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 3
Write the physical quantity having its unit coulomb/ volt. Is it a vector or a scalar quantity?
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 4
Write the formula for the capacitance of an isolated charged conducting sphere. Two spheres of different capacitances charged to different potentials are joined by a wire. State whether the total energy increases, decreases or remains the same. What happens to the energy difference?
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 5
If the plates of a charged capacitor are brought closer, what will happen to the PD between the plates?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 6
What is the function of second plate in parallel-plate capacitor?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 7
What meaning would you give to the capacitance of a single conductor?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 8
What is the net charge on a charged capacitor?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 9
A capacitor has no charge. Is its capacitance zero?