JEE Advanced Questions on Capacitors. We covered all the JEE Advanced Questions on Capacitors in this post for free so that you can practice well for the exam.
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Mock Test on Capacitors for JEE Students
The ratio between the charge and potential of a body
1. capacitance
2. conductance
3. induction
4. insulation
Option 1 – capacitance
4µF capacitor is charged to 400V. Then the two plates are connected with a wire of 10000 resistance. The heat liberated is
1. 0.64 J
2. 0.32 J
3.0.16 J
4. 1.28 J
Option 2 – 0.32 J
The energy stored in a capacitor of 1µF when it charged to 1KV potential
1. 5
2. 0.5
3. 0.005
4. 50
Option 2 – 0.5
The intensity of the electric field when a dielectric is placed between the charged plates of a condenser
1. decreases
2. increases
3. no change
4. increases or decreases
Option 1 – decreases
The plates of a parallel plate capacitor are charged and then the battery is removed. If the plate is moved a distance away with the help of insulating rods
1. charge becomes zero
2. capacity becomes infinity
3. charge, capacity increases
4. pd between plates increases
Option 4 – pd between plates increases
The potential in the middle of a charged conductor
1. zero
2. double on its surface
3. half on its surface
4. equal to the potential on its surface
Option 4 – equal to the potential on its surface
A parallel plate capacitor is charged and then the battery is removed. If the distance between the plates is increased with the help of insulators
1. charge on the capacitor becomes zero
2. capacity becomes infinity
3. charge on the capacitor increases
4. voltage between plates increases
Option 4 – voltage between plates increases
A non-conducting solid sphere of radius R is uniformly charged. The magnitude of the electric field is due to the sphere at a distance r from its center.
1. r=R
2. r<R, increases as r increases
3. decreases as r increases r>R
4. None of the above
Option 2 – r
The value of the electric field when a dielectric is placed between the plates of a charged condenser
1. decreases
2. increases
3. doesn’t change
4. None of these
Option 1 – decreases
Out of direct current (D.C.) and alternate currents (A.C.), in which circuits capacitors can be used?
1. only in A.C. circuits
2. only in D.C. circuits
3. in both circuits
4. none of these
Option 3 – in both circuits
In a parallel-plate capacitor, the region between the plates is filled by a dielectric slab. The capacitor is connected to a cell and the slab is taken out
1. Some charge is returned to the cell
2. Some charge is drawn from the cell
3. The potential difference across the capacitor is reduced
4. None of the above
Option 1 – Some charge is returned to the cell
We covered all the jee advanced questions on capacitors above in this post for free so that you can practice well for the exam.
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