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Moving Charges ...

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  • Question 1
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    The force experienced by a pole of strength 100100 Am at a distance of 0.20.2 m from a short magnet of length 5m5 m and pole strength of 200200 Am on its axial line will be:-

  • Question 2
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    Following figure shows the path of an electron that passes through two regions containing uniform magnetic fields of magnitudes B1B_1 and B2B_2. Its path in each region is a half circle,choose the correct option

  • Question 3
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    ABAB and CDCD are long straight conductor, distance dd apart, carrying a current II. The magnetic field at the midpoint of BCBC is

  • Question 4
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    A magnetic filed:

  • Question 5
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    Magnetic field due to a horseshoe magnet is parallel to the plane of the paper and North Pole is on the left. Direct current in a straight wire is perpendicular to the plane of the paper, toward the observer. The wire will be deflected

  • Question 6
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    An electron has velocity v=(2.0×106  m/s)i^+(3.0×106  m/s)j^\left( {2.0\times{{10}^6}\;m/s} \right)\hat{i} + \left( {3.0\times{{10}^{6\;}}m/s} \right)\hat{j}, magnetic field present is region is B(0.030  T)  i(0.15  T)jB\left( {0.030\;T} \right)\;i - \left( {0.15\;T} \right)j. Find the force on electron.

  • Question 7
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    A long straight wire along the z-axis carries a current I in the negative z direction. The magnetic vector field B\overline {B} at a point having coordinates (x, y) in the z=0 plane is :

  • Question 8
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    Two free parallel straight wires carrying currents in opposite direction

  • Question 9
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    In the given region, magnetic field is applied in the direction perpendicular to the plane of paper and outward. If the charge particle goes undeflected, then the direction electric field present in the region is- 

  • Question 10
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    A charged particle moving in a magnetic field experience maximum magnetic force when 

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