BALLISTIC GALVANOMETER Meaning and
Definition
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A ballistic galvanometer is a device used to measure the charge or current flowing through a circuit by detecting the impulse or sudden change in momentum generated by the flow of electric charge. It typically consists of a coil of wire suspended between the poles of a permanent magnet, which creates a strong magnetic field perpendicular to the wire. When a current passes through the coil, it experiences a force due to the magnetic field, causing it to move.
The defining characteristic of a ballistic galvanometer is its ability to detect the impulse of charge or current flowing in a very short duration, typically on the order of microseconds. This is achieved by using a sensitive, lightweight coil with a low damping factor, which allows it to move freely and quickly in response to the impulse.
The magnitude of the charge or current passing through the galvanometer can be determined by measuring the deflection of the coil or the angle of rotation it undergoes. This deflection is directly proportional to the impulse generated by the charge or current, making it a reliable indicator of the flow rate.
Ballistic galvanometers are commonly used in scientific and engineering applications where precise measurements of currents or charges are required, such as in physics laboratories for studying electromagnetic phenomena, or in electrical transmission systems for monitoring power flows. Despite the advent of more modern and digital measurement techniques, they continue to be employed in specific fields due to their simplicity, accuracy, and resilience to external interference.
Common Misspellings for BALLISTIC GALVANOMETER
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Etymology of BALLISTIC GALVANOMETER
The word "ballistic galvanometer" can be broken down into its two components: "ballistic" and "galvanometer".
The term "ballistic" is derived from the Greek word "ballistos", which means "to throw" or "to project". It originally referred to the science or art of designing and operating weapons that propel projectiles. Over time, the term "ballistic" came to be associated with the motion of any object that is projected through the air, such as bullets or missiles.
The term "galvanometer" has its roots in the name of Luigi Galvani, an Italian physician and physicist who lived in the 18th century. Galvani is known for his studies on the effects of electricity on animals, particularly the phenomena of muscular contractions when an electrical current is applied.
Similar spelling word for BALLISTIC GALVANOMETER
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