Before using the tangent galvanometer, its coil is set in
|
(a) Magnetic meridian (or vertically north south) |
|
(b) Perpendicular to magnetic meridian |
|
(c) At angle of 45o to magnetic meridian |
|
(d) It does not require any setting |
(a) Magnetic meridian (or vertically north south)
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$\text{Mr}^2$
$\frac{1}{2}\text{Mr}^2$
$\frac{1}4{}\text{Mr}^2$
$\frac{2}{5}\text{Mr}^2$
A charged particle is moving with velocity v in a magnetic field of induction B. The force on the particle will be maximum when
|
(a) v and B are in the same direction |
(b) v and B are in opposite directions |
|
(c) v and B are perpendicular |
(d) v and B are at an angle of 45° |
3 A of current is flowing in a linear conductor having a length of 40 cm. The conductor is placed in a magnetic field of strength 500 gauss and makes an angle of 30° with the direction of the field. It experiences a force of magnitude
|
(a) 3 |
(b) 3 |
(c) 3 |
(d) 3 |
