The magnetic induction in air at a distance $d$ from an isolated point pole of strength $ m$ unit will be
The magnetic induction in air at a distance $d$ from an isolated point pole of strength $ m$ unit will be
- A
$\frac{m}{d}$
- B
$\frac{m}{{{d^2}}}$
- C
$md$
- D
$m{d^2}$
Similar Questions
A small bar magnet has a magnetic moment $1.2 \,A-m^2$. The magnetic field at a distance $ 0.1\, m $ on its axis will be : ($\mu_0 = 4\pi \times 10^{-7} \,T-m/A$)
A small bar magnet has a magnetic moment $1.2 \,A-m^2$. The magnetic field at a distance $ 0.1\, m $ on its axis will be : ($\mu_0 = 4\pi \times 10^{-7} \,T-m/A$)
What does the analog (similarity) of bar magnet’s and solenoid’s magnetic field lines suggest ?
What does the analog (similarity) of bar magnet’s and solenoid’s magnetic field lines suggest ?
A magnetic needle is kept in a non-uniform magnetic field. It experiences
A magnetic needle is kept in a non-uniform magnetic field. It experiences
- [IIT 1982]
A bar magnet of magnetic moment $3.0\, A-m^2$ is placed in a uniform magnetic induction field of $2 \times 10^{-5}\, T$. If each pole of the magnet experiences a force of $6 \times 10^{-4} \,N$, the length of the magnet is.....$m$
A bar magnet of magnetic moment $3.0\, A-m^2$ is placed in a uniform magnetic induction field of $2 \times 10^{-5}\, T$. If each pole of the magnet experiences a force of $6 \times 10^{-4} \,N$, the length of the magnet is.....$m$
Force between two unit pole strength placed at a distance of one metre is
Force between two unit pole strength placed at a distance of one metre is