why does the motor action between two magnetic field result in motion towards the weaker field?

Increasing the number of turns in the coil Increasing the strength of the current Increasing the area of cross-section of the coil Increasing the strength of the radial magnetic field..

06. - The core of a toroid having 3000 turns has inner and outer radii of 11 cm and 12 cm respectively. The magnetic field in the core for a current of 0.70 A is 2.5 T. What is the relative permeability of the cor..

Question 1 - Question: A magnetic field line is used to find the direction of 1. south-north 2. a bar magnet 3. a compass needle 4. magnetic field Answer:..

06. - Two concentric circles of radius 2 cm and 4 cm respectively carry currents of 2A and 4A in a clockwise direction. What is the net magnetic field at the center? If the direction of current in the inner circle is reversed, what is net magne..

02. - Two wires A and B have the same length of 44 cm, and carry a current of 10 A each. Wire A is bent into a circle and wire B is bent into a square. (a) Which wire produces a greater magnetic field at the centre? (b) Obtain the magnitudes of the fields at ..

14. - A straight horizontal conducting rod of length 0.45 m and mass 60g is suspended by two vertical wires at it's ends. A current of 5.0 A is set up in the rod through the wires. (a) What magnetic field should be set up normal to the conductor for the tension in the ..

03. - Two concentric circular coils X and Y of radii 16cm and 10cm respectively lie in the same vertical plane containing the north-south direction. Coil X has 20 turns and carries a current of 16 A; coil Y has 25 turns and carries a current of 18A. The direction of current in X is anticl..

Tutor fine, shall se start with Q3? Student yes Tutor Pls paste your answer again Student let me copy and paste my answer for number 3 Tutor yes Student 3.There is a pattern in the results of the densities of pennies where they can be divided..

Suppose a uniform magnetic field B perpendicular to the plane of paper point outward is represented in the region ABCD. A rectangular loop PQRS is pulled such that it moves with a velocity V as shown in the diagra..