154007 If mass is increased 4 times, then the time period of a magnetometer when suspended in earth's magnetic field becomes

154008 Two identical magnetic dipoles of magnetic moment $2 \mathrm{Am}^{2}$ are placed at a separation of 2 $m$ with their axes perpendicular to each other in air. The resultant magnetic field at a mid point between to dipoles is

154009 If a magnet of pole strength $m$ is divided into four parts such that the length and width of each small part is half that of initial one, then the pole strength of each part will be

154010 Two identical bar magnets of magnetic moment $M$ each, are placed along $X$ and $Y$-axes, respectively at a distance $\mathrm{d}$ from the origin (as shown in the figure). The origin lies on perpendicular bisector of magnet placed on $\mathrm{X}$ axis and on the magnetic axis of magnet placed on Y-axis. If the magnitude of total magnetic field at the origin is $B=\alpha\left[\frac{\mu_{0} M}{4 \pi d^{3}}\right]$, then the value of constant $\alpha$ will be $(\mathrm{d}>>l$, where $l$ is the length of the bar magnets and direction of $\mathbf{N}$ to $\mathrm{S}$ in magnets is opposite with respect to each other)

154007 If mass is increased 4 times, then the time period of a magnetometer when suspended in earth's magnetic field becomes

154008 Two identical magnetic dipoles of magnetic moment $2 \mathrm{Am}^{2}$ are placed at a separation of 2 $m$ with their axes perpendicular to each other in air. The resultant magnetic field at a mid point between to dipoles is

154009 If a magnet of pole strength $m$ is divided into four parts such that the length and width of each small part is half that of initial one, then the pole strength of each part will be

154010 Two identical bar magnets of magnetic moment $M$ each, are placed along $X$ and $Y$-axes, respectively at a distance $\mathrm{d}$ from the origin (as shown in the figure). The origin lies on perpendicular bisector of magnet placed on $\mathrm{X}$ axis and on the magnetic axis of magnet placed on Y-axis. If the magnitude of total magnetic field at the origin is $B=\alpha\left[\frac{\mu_{0} M}{4 \pi d^{3}}\right]$, then the value of constant $\alpha$ will be $(\mathrm{d}>>l$, where $l$ is the length of the bar magnets and direction of $\mathbf{N}$ to $\mathrm{S}$ in magnets is opposite with respect to each other)

154007 If mass is increased 4 times, then the time period of a magnetometer when suspended in earth's magnetic field becomes

154008 Two identical magnetic dipoles of magnetic moment $2 \mathrm{Am}^{2}$ are placed at a separation of 2 $m$ with their axes perpendicular to each other in air. The resultant magnetic field at a mid point between to dipoles is

154009 If a magnet of pole strength $m$ is divided into four parts such that the length and width of each small part is half that of initial one, then the pole strength of each part will be

154010 Two identical bar magnets of magnetic moment $M$ each, are placed along $X$ and $Y$-axes, respectively at a distance $\mathrm{d}$ from the origin (as shown in the figure). The origin lies on perpendicular bisector of magnet placed on $\mathrm{X}$ axis and on the magnetic axis of magnet placed on Y-axis. If the magnitude of total magnetic field at the origin is $B=\alpha\left[\frac{\mu_{0} M}{4 \pi d^{3}}\right]$, then the value of constant $\alpha$ will be $(\mathrm{d}>>l$, where $l$ is the length of the bar magnets and direction of $\mathbf{N}$ to $\mathrm{S}$ in magnets is opposite with respect to each other)

154007 If mass is increased 4 times, then the time period of a magnetometer when suspended in earth's magnetic field becomes

154008 Two identical magnetic dipoles of magnetic moment $2 \mathrm{Am}^{2}$ are placed at a separation of 2 $m$ with their axes perpendicular to each other in air. The resultant magnetic field at a mid point between to dipoles is

154009 If a magnet of pole strength $m$ is divided into four parts such that the length and width of each small part is half that of initial one, then the pole strength of each part will be

154010 Two identical bar magnets of magnetic moment $M$ each, are placed along $X$ and $Y$-axes, respectively at a distance $\mathrm{d}$ from the origin (as shown in the figure). The origin lies on perpendicular bisector of magnet placed on $\mathrm{X}$ axis and on the magnetic axis of magnet placed on Y-axis. If the magnitude of total magnetic field at the origin is $B=\alpha\left[\frac{\mu_{0} M}{4 \pi d^{3}}\right]$, then the value of constant $\alpha$ will be $(\mathrm{d}>>l$, where $l$ is the length of the bar magnets and direction of $\mathbf{N}$ to $\mathrm{S}$ in magnets is opposite with respect to each other)