CBSE Class 12-science - Capacitors Videos
Capacitors - Part 1
This video introduces capacitor, its characteristics and the capacitance.
- A parallel-plate capacitor has a plate area of 100c * m ^ 2 and a plate separation of 2.0 cm. has been charged up to 3000 V by a battery. Now, (i) after disconnecting the battery, (ii) keeping the battery connected, the distance between the plates is increased to 5.0 cm intensity of electric field between the plates and the energy of the capacitor. ( epsilon_{0} = 8.85 * 10 ^ - 12 * F * m ^ - 1
- obtain expression for force between plates of a charged parallel plate capacitor
- What is capacitance
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- Calculate the capacitance of a parallel plate capacitor of each plate of which is of area 50cm^2 and and they are seperated by a dielectric slab of thickness 2mm of dielectric constant.
- how the electric field b/w parallel plate capacitor comes out to be sigma/ۥ
- Is the charge on two capacitors connected in series (one of them is filled with dielectric slab of constant K) same if they both are connected to battery having potential V ? If yes then please justify..
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Calculate the capacitance of the following multi slab capacitor.
- 1) What is the force experienced by a positively charged particle Q moving at right angle to an uniform electric field? 2) What is the effect on the charge on the plates of the capacitance on inserting dielectric in a parallel plate capacitors?
- Consider a 342 μF capacitor charged to 1250 V in a defibrillator. When charged to 1250 V, how much energy is stored in the capacitor? 9.60×102 J (in J)
