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JUNIOR Class 12 Science Physics Free Doubts and Solutions

Junior - XII Science - Physics

a cyclotron operates at an oscillator frequency of 10 Mhz.what is the B required for deuterons to be accelerated in the cyclotron

Asked by Shubhi Gupta 20th July 2015, 6:53 PM
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Junior - XII Science - Physics

what is electromagnetic induction?

Asked by Shubhi Gupta 6th July 2015, 6:03 PM
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Junior - XII Science - Physics

what is drift velocity and how it is derived?

Asked by Shubhi Gupta 6th July 2015, 6:03 PM
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Junior - XII Science - Physics

As topper's first video of ch 2 class XII CBSE board i.e electrostatic potential is not working properly pls explain and derive whatever is explained and derived in that respective video

Asked by Shubhi Gupta 1st June 2015, 6:30 PM
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Junior - XII Science - Physics

pls ans my query  

Asked by Shubhi Gupta 1st June 2015, 6:10 PM
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Junior - XII Science - Physics

Define and derive step by step 1)electrostatic potential 2)potential due to system of charges 3)Potential due to an electric dipole 4)potential due to a point charge

Asked by Shubhi Gupta 1st June 2015, 6:04 PM
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Junior - XII Science - Physics

sir,                                                                                                                                                                                               in our first chapter we have one question..                                                                                                                                   1)The eletrostatics force on a sphere of charge 0.4microcoulomb due to another small sphere of charge -0.8 microcoulomb in air is 0.2 N.(a) what is the distance between the two spheres?                                                                                                                     (b)what is the force on the second sphere due to the first?                                                                                                                                                                                                                                                                                             this is the question sir but in all study materials they have not taken -0.8 in the solution. why they have not taken the value as -0.8 microcoulomb??  

Asked by theekshanug15 18th May 2015, 5:06 PM
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Junior - XII Science - Physics

can you please give some devices where transistors are used?

Asked by 24th March 2015, 6:58 PM
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