Question
Define the term magnetic moment.

Answer

The magnetic moment of a magnet (or current loop) is defined as the maximum value of torque acting on a magnet when it is placed in a magnetic field of 1 T.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A bullet travelling with a velocity of 16m/s penetrates a tree trunk and comes to rest in 0.4m. Find the time taken during the retardation.
The current in a discharging LR circuit is given by $\text{i}=\text{i}_0\text{e}^{\frac{-\text{t}}{\tau}}$ where $\tau$ is the time constant of the circuit. Calculate the rms current for the period $\text{t}=0$ to $\text{t}=\tau.$
Write down the basic properties of electric charge.
What are $V-1$ characteristics of a $p-n$ junction?
Calculate the magnitude of equivalent resistance across the points $a$ and $b$ in the network shown in the given figure.

Image
A smooth block loosely fits in a circular tube placed on a horizontal surface. The block moves in a uniform circular motion along the tube (figure). Which wall (inner or outer) will exert a nonzero normal contact force on the block?

Draw a graph to show a variation of resistance of a metal wire as a function of its diameter keeping its length and material constant.
The wavelength of $\text{K}_\alpha$ X-ray of tungsten is 21.3pm. It takes 11.3keV to knock out an electron from the L shell of a tungsten atom. What should be the minimum accelerating voltage across an X-ray tube having tungsten target which allows production of $\text{K}_\alpha$ X-ray?
Distinguish between ‘sky wave’ and ‘space wave’ modes of propagation. Why is the sky wave mode of propagation restricted to frequencies up to 40 MHz?
In a photoelectric effect, the yellow light is just able to emit electrons, will green light emit photoelectrons? What about red light?