Two small bar magnets are placed in a line with like poles facing each other at a certain distance $d$ apart. If the length of each magnet is negligible as compared to $ d,$ the force between them will be inversely proportional to
Two small bar magnets are placed in a line with like poles facing each other at a certain distance $d$ apart. If the length of each magnet is negligible as compared to $ d,$ the force between them will be inversely proportional to
- A
$d$
- B
${d^2}$
- C
$\frac{1}{{{d^2}}}$
- D
${d^4}$
Similar Questions
Following figures show the arrangement of bar magnets in different configurations. Each magnet has magnetic dipole moment $\vec m$ . Which configuration has highest net magnetic dipole moment
Following figures show the arrangement of bar magnets in different configurations. Each magnet has magnetic dipole moment $\vec m$ . Which configuration has highest net magnetic dipole moment
- [AIPMT 2014]
A charged particle (charge $q$) is moving in a circle of radius $R$ with uniform speed $v.$ The associated magnetic moment $\mu $ is given by
A charged particle (charge $q$) is moving in a circle of radius $R$ with uniform speed $v.$ The associated magnetic moment $\mu $ is given by
- [AIPMT 2007]
Write the Gauss’s law in equation form for electrostatics and magnetism. What is the difference between them ?
Write the Gauss’s law in equation form for electrostatics and magnetism. What is the difference between them ?
The name magnet came from which island ?
The name magnet came from which island ?
A short magnet of moment $6.75\, Am^2$ produces a neutral point on its axis. If horizontal component of earth's magnetic field is $5 \times {10^{ - 5}}\,Wb/{m^2}$, then the distance of the neutral point should be.....$cm$
A short magnet of moment $6.75\, Am^2$ produces a neutral point on its axis. If horizontal component of earth's magnetic field is $5 \times {10^{ - 5}}\,Wb/{m^2}$, then the distance of the neutral point should be.....$cm$