Pivoted galvanometer

A pivoted galvanometer is a device used to measure electric current. It consists of a coil of wire suspended between the poles of a permanent magnet, with a pointer attached to the coil. When a current is passed through the coil, it experiences a torque that causes it to rotate, and the pointer moves along a scale, indicating the magnitude of the current.

The pivot point of the galvanometer is typically made of a thin piece of wire or a jeweled bearing, which allows the coil to rotate freely with minimal friction. The sensitivity of the galvanometer can be adjusted by changing the number of turns in the coil or by adding a resistor in series with the coil.

Pivoted galvanometers are commonly used in laboratory settings for a variety of applications, including measuring the strength of an electric field, the potential difference between two points, and the resistance of a circuit. They are also used in telegraphy and early radio communication to detect and measure electrical signals.

In addition to its use as a measuring device, the pivoted galvanometer is also used as a component in other instruments, such as the oscilloscope and the voltmeter. Its simple design and high sensitivity make it a versatile and valuable tool in many areas of electrical engineering and physics. learn more about School Management System.