Which of the following works on torque on the current-carrying conductor placed in a magnetic field?
Correct answer: A. galvanometer
- A. galvanometer
- B. ammeter
- C. voltmeter
- D. all of the above
Explanation
A galvanometer is an instrument that measures electric current, and it works on the principle of the torque experienced by a current-carrying coil in a magnetic field. The torque causes the coil to rotate, and this rotation is proportional to the current passing through it.
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About Electromagnetism
Magnetic flux density and magnetic flux describe the strength of a magnetic field and the field passing through a surface. A charged particle moving through a magnetic field experiences a force perpendicular to its velocity and may follow circular or helical motion, depending on the angle between velocity and field.
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