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Electrodynamometer: An instrument that measures large amount of electric current by indicating the strength of repulsion or attraction between the magnetic fields of two sets of coils, one fixed and one movable.
whereas,
Galvanometer: An instrument for detecting and measuring small electric currents.
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ProfessorAn electrodynamometer is a type of instrument used to measure electrical power or current, typically by utilizing the interaction of magnetic fields. A galvanometer, on the other hand, is a type of instrument used to detect and measure small electrical currents. In essence, an electrodynamometer can measure power and current, while a galvanometer is primarily used for detecting current.
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What is the difference between a galvanometer and an ammeter?
A galvanometer is a device used to detect small electric currents, while an ammeter is a device used to measure the strength of electric currents. The main difference is that a galvanometer is more sensitive and used for detecting small currents, while an ammeter is used for measuring larger currents.
What is the difference between ballistic and a deadbeat galvanometer?
A ballistic galvanometer measures charge by letting current flow through a coil and measuring the extent of its deflection. A deadbeat galvanometer is designed to quickly dampen the coil's movement to minimize oscillations, making it more suitable for accurately measuring steady currents.
Who invented the electrodynamometer?
The electrodynamometer was invented by Werner von Siemens in 1867. It is a type of instrument used to measure electrical power.
Difference between galvanometer and voltmeter?
A galvanometer is a sensitive current measuring device that primarily indicates the presence and direction of current, while a voltmeter measures voltage in a circuit. Galvanometers typically have lower resistance and higher sensitivity than voltmeters, which are designed to measure voltage across a component or circuit.
How do you induce polarity in galvanometer?
To induce polarity in a galvanometer, you can connect the positive terminal of a power source to one terminal and the negative terminal to the other terminal. This creates a potential difference across the terminals of the galvanometer, inducing polarity in the device.
