Physics-
General
Easy

Question

Two long parallel conductors carry currents i subscript 1 end subscript = 3A and i subscript 2 end subscript = 3A both are directed into the plane of paper. The magnitude of resultant magnetic field at point ‘P; is

  1. 12muT    
  2. 5 muT    
  3. 13muT    
  4. 7 mu T    

The correct answer is: 13muT

Related Questions to study

General
physics-

A wire bent in the form a right angled triangle PQR, carries a current 1 A. It is placed in a region of a uniform magnetic field B= 0.2T. If PR = 1m, the net force on the wire is

A wire bent in the form a right angled triangle PQR, carries a current 1 A. It is placed in a region of a uniform magnetic field B= 0.2T. If PR = 1m, the net force on the wire is

physics-General
General
physics-

A current i = 2A be flowing in each part of a wire frame as shown in fig. The frame is a combination of two equilateral triangles ACD and CDE of side 1m. It is placed in uniform magnetic field B=4T acting perpendicular to the plane of frame. The magnitude of magnetic force acting on the frame is

A current i = 2A be flowing in each part of a wire frame as shown in fig. The frame is a combination of two equilateral triangles ACD and CDE of side 1m. It is placed in uniform magnetic field B=4T acting perpendicular to the plane of frame. The magnitude of magnetic force acting on the frame is

physics-General
General
physics-

Wires 1 and 2 carrying currents i1 and i2 respectively are inclined at an angle q to each other. What is the force on a small element dl of wire 2 at a distance of r from wire 1 (as shown in figure) due to the magnetic field of wire 1

Wires 1 and 2 carrying currents i1 and i2 respectively are inclined at an angle q to each other. What is the force on a small element dl of wire 2 at a distance of r from wire 1 (as shown in figure) due to the magnetic field of wire 1

physics-General
parallel
General
physics-

PQ is a uniform rod of length lambda and mass m carrying current i and is suspended in uniform magnetic field of induction stack B with rightwards arrow on top acting inward as shown in figure. The tension in each string is

PQ is a uniform rod of length lambda and mass m carrying current i and is suspended in uniform magnetic field of induction stack B with rightwards arrow on top acting inward as shown in figure. The tension in each string is

physics-General
General
physics-

Two wires AO and OC carry currents i as shown in figure. One end of both the wires extends to infinity ÐAOC=a, the magnitude of magnetic field at a point P on the bisector of the two wires at a distance r from O is

Two wires AO and OC carry currents i as shown in figure. One end of both the wires extends to infinity ÐAOC=a, the magnitude of magnetic field at a point P on the bisector of the two wires at a distance r from O is

physics-General
General
physics-

A uniform conducting wire ABC has a mass of 10g. A current of 2A flows through it. the wire is kept in a uniform magnetic field B = 2T. The acceleration of the wire will be

A uniform conducting wire ABC has a mass of 10g. A current of 2A flows through it. the wire is kept in a uniform magnetic field B = 2T. The acceleration of the wire will be

physics-General
parallel
General
physics-

In the following figure a wire bent in the form of a regular polygon of n sides is inscribed in a circle of radius a. Net magnetic field at centre will be

In the following figure a wire bent in the form of a regular polygon of n sides is inscribed in a circle of radius a. Net magnetic field at centre will be

physics-General
General
physics-

Figure shows the cross-sectional view of the hollow cylindrical conductor with inner radius ‘R’ and outer radius ‘2R’. Cylinder is carrying uniformly distributed current along it’s axis. The magnetic induction at point ‘P’ at a distance fraction numerator 3 R over denominator 2 end fraction from the axis of the cylinder will be

Figure shows the cross-sectional view of the hollow cylindrical conductor with inner radius ‘R’ and outer radius ‘2R’. Cylinder is carrying uniformly distributed current along it’s axis. The magnetic induction at point ‘P’ at a distance fraction numerator 3 R over denominator 2 end fraction from the axis of the cylinder will be

physics-General
General
physics-

In the given loop the magnetic field at the centre O is

In the given loop the magnetic field at the centre O is

physics-General
parallel
General
physics-

A cube made of wire of equal length is connected to a battery as shown in the figure. The magnetic field at the centre of the cube is

A cube made of wire of equal length is connected to a battery as shown in the figure. The magnetic field at the centre of the cube is

physics-General
General
physics-

The magnetic field at the centre of semicircle o in the figure is

The magnetic field at the centre of semicircle o in the figure is

physics-General
General
physics-

The wire shown in figure carries a current of 40A. If r=3.14cm the magnetic field at point p will be

The wire shown in figure carries a current of 40A. If r=3.14cm the magnetic field at point p will be

physics-General
parallel
General
physics-

The magnetic field at the centre of the coil in the figure shown below is (the wires crossing at P are insulated from each other)

The magnetic field at the centre of the coil in the figure shown below is (the wires crossing at P are insulated from each other)

physics-General
General
physics-

Wire-1 in fig is oriented along the Y-axis and carries a steady current I1 A rectangular circuit located to the right of the wire carries a current I subscript 2 end subscript Find the force experienced by the top of the horizontal wire (wire-2) of the rectangular circuit.

Wire-1 in fig is oriented along the Y-axis and carries a steady current I1 A rectangular circuit located to the right of the wire carries a current I subscript 2 end subscript Find the force experienced by the top of the horizontal wire (wire-2) of the rectangular circuit.

physics-General
General
physics-

A rectangular loop of wire of size 4 c m cross times 10 cm carries a steady current of 2A. A straight long wire carrying 5A current is kept near the loop (as shown in fig) If the loop and the wire are coplanar, find the net force on the loop

A rectangular loop of wire of size 4 c m cross times 10 cm carries a steady current of 2A. A straight long wire carrying 5A current is kept near the loop (as shown in fig) If the loop and the wire are coplanar, find the net force on the loop

physics-General
parallel

card img

With Turito Academy.

card img

With Turito Foundation.

card img

Get an Expert Advice From Turito.

Turito Academy

card img

With Turito Academy.

Test Prep

card img

With Turito Foundation.