For adjoining fig., The magnetic field at point, $P$ will be
AIPMT 2000, Medium
Download our app for free and get started
Magnetic field due to $5 A \rightarrow \frac{5 \mu_0}{2 \pi \times 2.5}=\frac{2 \mu_0}{2 \pi} \otimes$
Magnetic field due to $2.5 A \rightarrow \frac{2.5 \mu_0}{2 \pi \times 2.5}=\frac{\mu_0}{2 \pi} \odot$
Resultant Magnetic field $B_{net}=\frac{2 \mu_0}{2 \pi}-\frac{\mu_0}{2 \pi}=\frac{\mu_0}{2 \pi} \otimes$
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 straight wire carrying a current ${i_1}\,amp$ runs along the axis of a circular current ${i_2}\,amp$. Then the force of interaction between the two current carrying conductors isView Solution
- 2A conductor (shown in the figure) carrying constant current $I$ is kept in the $x-y$ plane in a uniform magnetic field $\vec{B}$. If $F$ is the magnitude of the total magnetic force acting on the conductor, then the correct statement$(s)$ is(are) $Image$View Solution
$(A)$ If $\vec{B}$ is along $\hat{z}, F \propto(L+R)$
$(B)$ If $\overrightarrow{ B }$ is along $\hat{ x }, F =0$
$(C)$ If $\vec{B}$ is along $\hat{y}, F \propto(L+R)$
$(D)$ If $\overrightarrow{ B }$ is along $\hat{ z }, F =0$
- 3If a wire of length $1\, meter$ placed in uniform magnetic field $1.5\, Tesla$ at angle ${30^o}$ with magnetic field. The current in a wire $10\, amp$. Then force on a wire will be.......$N$View Solution
- 4A current $i$ is flowing in a straight conductor of length $L.$ The magnetic induction at a point on its axis at a distance $\frac {L}{4}$ from its centre will beView Solution
- 5Current $I$ is flowing along the path $ABCDA$ consisting of four edges of a cube (figure $-a$), produces a magnetic field $B_0$ at the centre of the cube. Find the magnetic field $B$ produced at the center of the cube by a current $I$ flowing along the path of the six edges $ABCGHEA$ (figure $b$)View Solution
- 6Consider the circular loop having current $i$ and with central point $O$. The magnetic field at the central point $O$ isView Solution
- 7If two protons are moving with speed $v=4.5 \times 10^{5} \,m / s$ parallel to each other then the ratio of electrostatic and magnetic force between themView Solution
- 8An electron moves straight inside a charged parallel plate capacitor of uniform charge density. The space between the plates is filled with uniform magnetic field of intensity $B ,$ as shown in the figure, Neglecting effect of gravity, the time of straight line motion of the electron in the capacitor isView Solution
- 9A straight rod of mass $m$ and length $L$ is suspended from the identical spring as shown in the figure. The spring stretched by a distance of $x_0$ due to the weight of the wire. The circuit has total resistance $R\Omega$ . When the magnetic field perpendicular to the plane of the paper is switched on, springs are observed to extend further by the same distance. The magnetic field strength isView Solution
- 10Consider the mass-spectrometer as shown in figure. The electric field between plates is $\vec E\ V/m$ , and the magnetic field in both the velocity selector and in the deflection chamber has magnitude $B$ . Find the radius $'r'$ for a singly charged ion of mass $'m'$ in the deflection chamberView Solution
