Start Free Mock LoginAlready registered? Login here

Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismMagnetic torque & energyEasy2 minPYQ_2020

PhysicsEasysingle choice

Three long straight conductors are arranged parallel to each other in the same plane. They carry currents of $1 A$ , $2 A$ and $3 A$ in the same direction. The distance between the first two conductors is $x$ and the distance between the second and third conductors is $y$ . If the middle conductor is in equilibrium, then the ratio $x : y$ is

Options:

Answer:

Solution:

Force per unit length between two current carrying parallel wire is given by :

$F = \frac{μ_{0} i_{1} i_{2}}{2 π r}$ &

$f_{12} + f_{23} = 0$

$\begin{array}{l} \frac{μ_{o} 1 \times 2}{2 π x} = \frac{μ_{o} 2 \times 3}{2 π y} \\ \frac{x}{y} = \frac{1}{3} \end{array}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:MagnetismSubtopic:Magnetic torque & energy

⏱ 2mℹ️ Source: PYQ_2020

Doubts & Discussion

Loading discussions...