Consider the situation shown in the figure. The wire AB is sliding on the fixed rails with constant velocity v . If the wire AB is replaced by a semicircular wire, the magnitude of the induced current will

Question

Consider the situation shown in the figure. The wire AB is sliding on the fixed rails with constant velocity v . If the wire AB is replaced by a semicircular wire, the magnitude of the induced current will <img class="img-fluid question-image" alt="Question" src="https://cdn.tardigrade.in/q/nta/p-knf3lo0e0hx2wzmm.jpg" /> (A) increase (B) remain the same (C) decrease (D) increase or decrease depending on whether the semicircle bulges towards the resistance or away from it

Tardigrade Admin · Accepted Answer

As we have to consider the length perpendicular to velocity vector and magnetic field vector independent of shape and length of wire, the perpendicular length between two wires is constant hence value of induced current will remain constant.

Q. Consider the situation shown in the figure. The wire AB is sliding on the fixed rails with constant velocity v . If the wire AB is replaced by a semicircular wire, the magnitude of the induced current will

increase

remain the same

decrease

increase or decrease depending on whether the semicircle bulges towards the resistance or away from it

As we have to consider the length perpendicular to velocity vector and magnetic field vector independent of shape and length of wire, the perpendicular length between two wires is constant hence value of induced current will remain constant.

Q. Consider the situation shown in the figure. The wire $A B$ is sliding on the fixed rails with constant velocity $v$ . If the wire $A B$ is replaced by a semicircular wire, the magnitude of the induced current will