A square loop, carrying a steady current $I,$ is placed in a horizontal plane near a long straight conductor carrying a steady current $I_1$ at a distance $d$ from the conductor as shown in figure. The loop will experience
AIPMT 2011, Medium
Download our app for free and get started
$F_{2}=-F_{4}$
$F_{1}=\frac{\mu_{0} I_{1} \Pi}{2 \pi d l}$
$F_{2}=\frac{\mu_{0} I_{1} I}{2 \pi(d+l)}$
$F_{1}>F_{3}$
$F_{n e t}=F_{1}-F_{3}$
So, wire attract loop.
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1A galvanometer having a resistance of $9\, ohm$ is shunted by a wire of resistance $2\, ohm$. If the total current is $1\, amp$, the part of it passing through the shunt will be ............ $amp$View Solution
- 2Magnitude of magnetic field (in $SI$ units) at the centre of a hexagonal shape coil of side $10\, cm$, $50$ turns and carrying current $I$ (Ampere) in units of $\frac{\mu_{0} I}{\pi}$ isView Solution
- 3A loop carrying current $I$ lies in the $x$-y plane as shown in the figure. the unit vector $\hat{ k }$ is coming out of the plane of the paper. the magnetic moment of the current loop is :View Solution
- 4The pole strength of a bar magnet is $48$ $ampere-metre$ and the distance between its poles is $ 25 \,cm$ . The moment of the couple by which it can be placed at an angle of $30°$ with the uniform magnetic intensity of flux density $0.15 $ $Newton /ampere-metre$ will be.......$Newton × metre$View Solution
- 5Two resistances $R_1=X \Omega$ and $R_2=1 \Omega$ are connected to a wire $A B$ of uniform resistivity, as shown in the figure. The radius of the wire varies linearly along its axis from $0.2 mm$ at $A$ to $1 mm$ at $B$. A galvanometer ($G$) connected to the center of the wire, $50 cm$ from each end along its axis, shows zero deflection when $A$ and $B$ are connected to a battery. The value of $X$ is. . . . .View Solution
- 6View SolutionA positively charged particle enters in a region of uniform. Transverse magnetic field as shown in figure find net deviation in path of the particle.
- 7Two straight parallel wires, both carrying $10$ $ampere$ in the same direction attract each other with a force of $1 \times {10^{ - 3}}\,N$. If both currents are doubled, the force of attraction will beView Solution
- 8A galvanometer coil has a resistance of $12\,\Omega $ and meter shows full scale deftection for a current of $3\,mA$ then to convert it into a voltmeter of range $0\,-18\, V$ a resistance should be addedView Solution
- 9Find magnetic field at $O$View Solution
- 10A point charge $Q\left(=3 \times 10^{-12} C \right)$ rotates uniformly in a vertical circle of radius $R(=1 \,mm )$. The axis of the circle is aligned along the magnetic axis of the earth. At what value of the angular speed $\omega$, the eff ective magnetic field at the centre of the circle .............. $rad / s$ will be reduced to zero? (Horizontal component of earth's magnetic field is $30 \,\mu T )$View Solution