Physics-
General
Easy
Question
Determine the magnetic field at the centre of the current carrying wire arrangement shown in the figure. The arrangement extends to infinity. (The wires joining the successive squares are along the line passing through the centre)
- 0
- none of these
The correct answer is:
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A uniform magnetic field of 1.5 T exists in a cylindrical region of radius 10.0 cm, its direction being parallel to the axis along east to west. A current carrying wire in north south direction passes through this region. The wire intersects the axis and experience a force of 1.2 N downward. (As shown in figure). If the wire is turned from North South to north east–southwest direction, then magnitude and direction of force is
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An infinitely long wire carrying current I is along Y axis such that its one end is at point A (0, b) while the wire extends up to + 
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