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12th ICSE
IMPORTANT
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A capacitor has no charge. Is its capacitance zero?

Important Questions on Capacitors and Dielectrics

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12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 10
Is there any conductor which can take unlimited charge?
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12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 11
Three capacitors each of capacitance C are connected in series. What will be the equivalent capacitance? If the capacitors be connected in parallel, then?
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12th ICSE
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NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 12
Three capacitors of equal capacitances when connected in series have net capacitanceC1;and when connected in parallel have net capacitance C2. What is the value of C1/C2?
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12th ICSE
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NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 13
A variable air capacitor has n plates each of area A metre2 and the distance between two successive plates is d. Compute its capacitance.
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12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 14
In a parallel-plate capacitor, the capacitance increases from 4μF to 80μF on introducing a dielectric medium between the plates. What is the dielectric constant (or relative permittivity) of the medium?
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12th ICSE
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NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 15
Will a dielectric-filled capacitor store more charge or less charge than a similar air capacitor at the same potential difference?
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12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 16
Will a dielectric-filled capacitor have a higher PD or lower PD between its plates than an air-filled capacitor having the same amount of charge?
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12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 4 - Capacitors and Dielectrics>QUESTIONS>Q 17
How is dielectric constant (or relative permittivity of a dielectric) expressed in terms of capacitance?