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CBSE Class 12-science Answered

Electrostatics!
Asked by | 20 Aug, 2008, 07:42: PM
answered-by-expert Expert Answer

The interaction between the comb and bits of paper happens because charges are created.The electrons within molecules shift away from the comb. However in case of a wet comb this does not happen.

Answered by | 16 Dec, 2008, 12:57: PM

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CBSE 12-science - Physics
if breakdown voltage of each capacitor is 40v ,then maximum applied voltage Vmax will be
Asked by aishaisha091098 | 19 Apr, 2024, 04:54: PM
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CBSE 12-science - Physics
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CBSE 12-science - Physics
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
Asked by khankaifi178 | 08 Jan, 2024, 10:12: PM
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CBSE 12-science - Physics
  A particle with charge q and mass m is released just outside the centre of a uniformly charged square plate of side a and potential V.find the speed in which the particle files off away from the plate
Asked by sankaraganapathy007 | 09 Sep, 2023, 10:03: PM
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CBSE 12-science - Physics
obtain expression for force between plates of a charged parallel plate capacitor
Asked by bmahalik21 | 05 Mar, 2023, 08:23: PM
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CBSE 12-science - Physics
What is capacitance
Asked by s3043632 | 22 Jan, 2023, 06:45: PM
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CBSE 12-science - Physics
a conducting sphere is charged upto 2 uc. if the radius of sphere is 10 cm, then the electric field due to this charged system, at 5 cm from the centre of sphere, will be
Asked by carnivalgirl8421 | 29 Jun, 2022, 11:18: AM
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CBSE 12-science - Physics
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Asked by priyr7687 | 28 Jun, 2022, 06:19: PM
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CBSE 12-science - Physics
the work done is moving charge of 2c across two point having a potential difference of 12volt
Asked by tahseenaamir07 | 25 Jun, 2022, 01:33: AM
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CBSE 12-science - Physics
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Asked by ekanathtanpure77 | 23 Jun, 2022, 07:56: PM
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