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Torque on a Current Loop - 2 Video Lecture | Physics for JAMB

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FAQs on Torque on a Current Loop - 2 Video Lecture - Physics for JAMB

1. What is torque on a current loop?
Ans. Torque on a current loop is the rotational force experienced by a loop of wire carrying an electric current in the presence of a magnetic field. It causes the loop to rotate about an axis perpendicular to the plane of the loop.
2. How is the torque on a current loop calculated?
Ans. The torque on a current loop can be calculated using the formula: Torque = IABsinθ, where I is the current passing through the loop, A is the area of the loop, B is the magnetic field strength, and θ is the angle between the magnetic field and the plane of the loop.
3. What factors affect the torque on a current loop?
Ans. The torque on a current loop depends on several factors, including the strength of the magnetic field, the current passing through the loop, the size and shape of the loop, and the angle between the magnetic field and the plane of the loop.
4. How does the torque on a current loop affect its rotation?
Ans. The torque on a current loop causes it to rotate about an axis perpendicular to the plane of the loop. The direction of rotation depends on the direction of the magnetic field and the direction of the current. The loop will rotate until the torque is balanced by an equal and opposite torque.
5. What is the significance of torque on a current loop?
Ans. The torque on a current loop is of great significance in various applications. It is used in devices such as electric motors and generators to convert electrical energy into mechanical energy or vice versa. Understanding the torque on a current loop helps in designing and optimizing these devices for efficient operation.
261 videos|249 docs|232 tests

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