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CBSE Class 12-science Answered

An elecrton at rest is accelerated with a voltage of x volt. What is the ratio of its speed to speed of light?
Asked by Aditya Great | 07 Jun, 2015, 04:56: PM
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Syntax error from line 1 column 584 to line 1 column 604. Unexpected 'mathvariant'.
Answered by Priyanka Kumbhar | 07 Jun, 2015, 07:03: PM

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CBSE 12-science - Physics
solve option e
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Asked by dasrituparna1999 | 13 Apr, 2024, 06:56: AM
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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
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
Two charges 2microcoulmb and-2microcoulmb are placed at A and8.5 apart depict equipotential surface of the system
Asked by sindhusoman87 | 15 Jul, 2020, 08:33: AM
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CBSE 12-science - Physics
An alpha particle is accelerated through a potential difference of 2000v what will be the increase in energy in electron volt 
Asked by Shankaramurthy064 | 13 May, 2020, 08:47: AM
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CBSE 12-science - Physics
If one of the two electrons of a H2 molecule is removed, we get a hydrogen molecular ion Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '.. In the ground state of an Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '., the two protons are separated by roughly 1.5Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '., and the electron is roughly 1Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. from each proton. Determine the potential energy of the system. Specify your choice of the zero of potential energy.
Asked by Topperlearning User | 22 Apr, 2015, 07:50: AM
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CBSE 12-science - Physics
The plates of a parallel plate capacitor have an area of 90 cm2 each and are separated by 2.5 mm The capacitor is charged by connecting it to a 400 V supply How much electrostatic energy is stored by the capacitor? View this energy as stored in the electrostatic field between the plates, and obtain the energy per unit volume u. Hence arrive at a relation between u and the magnitude of electric field E between the plates.
Asked by Topperlearning User | 22 Apr, 2015, 09:59: AM
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CBSE 12-science - Physics
A 4 μF capacitor is charged by a 200 V supply. It is then disconnected from the supply and is connected to another uncharged 2μF capacitor. How much electrostatic energy of the first capacitor is lost in the heat and electromagnetic radiation?
Asked by Topperlearning User | 22 Apr, 2015, 08:40: AM
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CBSE 12-science - Physics
Write an expression for the electrostatic potential energy in terms of the electric field.
Asked by Topperlearning User | 23 Apr, 2015, 11:40: AM
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CBSE 12-science - Physics
How much work is required to be done to separate the charges of a dipole till infinity with Q ± 7μC and r = 0.18 m?
Asked by Topperlearning User | 24 Apr, 2015, 02:08: PM
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