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CBSE Class 12-science Answered

How is the force zero in each case ?
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Asked by prakriti12oct | 22 Feb, 2020, 12:38: AM
answered-by-expert Expert Answer
Force experienced by current carrying conductor is given by  idl × B = ( B i dl ) sinθ  , where i is magnitude of current ,
dl is length of wire, B is magnetic field induction and θ is angle between direction of current and
direction of magnetic field induction.
 
when direction of magnetic field induction is parallel to direction of current , force will be zero
Answered by Thiyagarajan K | 22 Feb, 2020, 09:12: AM

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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
The number of moles in an elemental sample is just the ratio of the mass m to atomic mass 4. n= A The number of protons N, in an elemental sample is Z (atomic number) times the number of moles of Avogadro's number NA N=ZnN P A Copper has an atomic mass of 63.5 g/mole and 29 protons per atom. If such an atom were neutral, then it would have as many protons as electrons. If you remove electrons from a neutral state, then you get a net positive charge. Given a 54 gram ball of copper with a net charge of 2.2 µC, what fraction of the copper's electrons have been removed?
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CBSE 12-science - Physics
which answer is correct and most appropriate with explanation
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CBSE 12-science - Physics
8212
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CBSE 12-science - Physics
ans the questions wit reason
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Asked by mishrigupta19319 | 07 Apr, 2024, 11:23: AM
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I don't know which concept and formula is used
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CBSE 12-science - Physics
A coil of N turns is placed in a magnetic field B such that B is perpendicular to the plane of the coil. B changes with time as B=B0 cos 2元 where T is time period. The magnitude of emf-induced in the coil will be maximum at
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Asked by mishrigupta19319 | 05 Apr, 2024, 12:01: PM
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CBSE 12-science - Physics
a charge of 2microcoulomb experience a force of 6N when placed at a point in an electric field .find electric field at that point
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