HARD
12th ICSE
IMPORTANT
Earn 100

Two identical capacitors C1 and C2 are connected with a battery B, as shown. A dielectric slab is filled between the plates of C2, the battery remaining connected. What happens to the charge, the capacitance, the potential difference and the stored energy of each capacitor?

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Important Questions on Capacitors and Dielectrics

HARD
12th ICSE
IMPORTANT

Two capacitors C1 and C2 Are given charges Q1 and Q2 And the charging battery is removed.  Then they are connected in parallel and a dielectric slab is inserted in C2. When will happen to C1 and C2 ?

EASY
12th ICSE
IMPORTANT

Two capacitors C1 and C2 are given charges Q1 and Q2 and the charging battery is removed. They are then connected in parallel and a dielectric slab is inserted in C2. When will happen to Q1 and Q2 ?

EASY
12th ICSE
IMPORTANT

Two capacitors C1 and C2 Are given charges Q1 and Q2 And the charging battery is removed. They are then connected in parallel and a dielectric slab is inserted in C2. What will happen to PD ?

HARD
12th ICSE
IMPORTANT
What is meant by electrical capacitance of a conductor? Derive the formula for the capacitance of an isolated metallic sphere.
MEDIUM
12th ICSE
IMPORTANT
Derive an expression for the capacitance of a parallel-plate capacitor in terms of the areas of the plates and the distance between them. Assume there is a vacuum in between the plates with the electric field between the plates E=σ/ε0 .
MEDIUM
12th ICSE
IMPORTANT
Three capacitors of capacitances C1 ,C2 and C3 Are connected in parallel. Derive expressions for the equivalent capacitance for each of these combinations.
EASY
12th ICSE
IMPORTANT
Obtain an expression for equivalent capacitance C, When three capacitors having capacitance C1, C2 and C3 Are connected in series.  
EASY
12th ICSE
IMPORTANT
Derive an expression for the energy stored in a capacitor of capacitance C, charged to a potential V.