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Prithesh Dwivedi asked a question
Subject: Physics, asked on on 9/7/17
A proton is moving with uniform velocity in x-z plane at an angle of 300 with x-axis, in the presence of an electrostatic field E = (4 kV/m)j and magnetic field B = (50 mT)k. Find the pitch of the helical trajectory followed by the proton when the electric field is switched off. 
Almas asked a question
Subject: Physics, asked on on 26/3/17
The magnitude of the earth's magnetic field at a place is B0 and the angle of dip is δ. A horizontal conductor of length ℓ lying along the magnetic north-south moves eastwards with a velocity v. The emf induced across the conductor is :-
(1)    Zero
(2)    B0ℓv sin δ
(3)    B0ℓv
(4)    B0ℓv cos δ
Prithesh Dwivedi asked a question
Subject: Physics, asked on on 30/6/17
​​A circular loop of radius  R carries  a currrent i1, another  loop of radius (r<<R) carries a  current i2 and is placed at the center of the  larger loop. The  planes of the two circles are at  right angles to each other . Find the torque acting on the smaller loop.
Divyansh Bansal asked a question
Subject: Physics, asked on on 28/4/18
Solve this.
Q. An electron revolving in the Bohr's first orbit of hydrogen atom produces magnetic field B at the nucleus. If this electron jumps to second orbit and revolves, then field at the nucleus will be
(1) B2
(2) B8
(3) B16
(4) B32
Prithesh Dwivedi asked a question
Subject: Physics, asked on on 8/7/17
Explain temperature  dependancy on hysterisis?
Madhura Bose asked a question
Subject: Physics, asked on on 16/1/17
current passes through capacitor or not .if not then why??explain please
Ravali asked a question
Subject: Physics, asked on on 10/8/18
A closed circle encircles several conductors. The line integral B.dl around this cure is 3.83 x 10^ -7 T-m. If integrate around the curve in the opposite directions , what would be the value of the line integral?
Sandali Khare asked a question
Subject: Physics, asked on on 6/3/18
Time period of bar magnet in magnetic field
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