Rankers Physics

Magnetic Field Due to Straight Current Carrying Wire: Practice Problem & Solution

Two thick wires and two thin wires, all of the same materials and same length form a square in the three different ways P, Q and R as shown in fig with current connection shown, the magnetic field at the centre of the square is zero in cases: Magnetic Field Due to Straight Current Carrying Wire diagram: Two thick wires and two thin wires, all
In P only
In P and Q only
In Q and R only
P and R only

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Similar Practice Questions

Explore conceptually related problems to test your knowledge.

1. Consider a set of six infinite long straight parallel wires arranged perpendicular to the plane of paper in a hexagon as shown. The length of the each side of the hexagon is 3 cm. What is the magnitude and direction of the magnetic field at point P ?
2. A long wire carrying a current of 2 A is laid along the x axis (current flows along positive x direction) and another wire carrying current of 4 A is laid along y axis(current flows along positive y direction). The points at which magnetic field is zero are:
3. A wire carrying a current i is placed in a uniform magnetic field in the form of the curve y =a sin (πx/L), 0 ≤ x ≤ 2L. The force acting on the wire is :
4. A current I flows in a thin wire, shaped as regular polygon of n sides which can be inscribed in a circle of radius R. The magnetic field induction at the centre of polygon due to one side of the polygon is :
5. Assertion (A): The magnetic field induction due to an infinite long current carrying solid cylindrical conductor of radius \(R\), at a distance \(R/2\) and \(2R\) from its axis is same. Reason (R): An infinite long current carrying solid cylindrical conductor is a source of uniform magnetic field.