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a series resistence with its coil

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Moving coil galvanometer converted into a multi range ammeter?

To convert a moving coil galvanometer into a multi-range ammeter, you can add shunt resistors of different values in parallel to the galvanometer. By selecting the appropriate shunt resistor, you can change the range of the ammeter. This allows the ammeter to measure a wide range of currents while still using the sensitive galvanometer as the measuring element.


What is the difference between the construction of a moving coil galvanometer and a ballistic galvanometer?

What is the difference between the construction of a moving coil galvanometer and a ballistic galvanometer?


Why galvanometer is converted into ammeter?

A galvanometer is converted into an ammeter by adding a low resistance called a shunt in parallel with the galvanometer coil. This shunt diverts most of the current around the galvanometer, allowing it to measure higher currents accurately. The shunt creates a parallel path with a known resistance, which scales the current to provide a direct reading on the ammeter.


What are the disadvantages of a moving coil galvanometer?

Some disadvantages of a moving coil galvanometer include its limited range of measurement due to its delicate construction, susceptibility to external magnetic fields which can affect accuracy, and the need for calibration to ensure reliable readings. Additionally, the moving coil galvanometer may have a slow response time compared to other types of meters.


What are the kinds of ammeter?

The ammeter is a device that measures the electric current. Hot wire, electrostatic, moving iron, moving coil, and induction are the kinds of ammeter.


What will happen in the absence of iron cylinder in a moving coil galvanometer?

it will not work


What does mc and mi refer to in voltmeter and ammeter?

moving coil & moving iron


Why is the cylindrical core of soft iron used in moving coil galvanometer?

A cylindrical core of soft iron is used in a moving coil galvanometer because soft iron has high magnetic permeability, meaning it enhances the magnetic field produced by the coil. This helps increase the sensitivity and responsiveness of the galvanometer to small currents passing through the coil.


What is weston galvanometer?

A weston galvanometer is a type of sensitive instrument used to detect and measure small electric currents. It uses a moving coil suspended in a magnetic field to deflect in response to the current passing through it. This deflection is then used to indicate the strength of the current.


Working of moving-coil galvanometer?

A moving coil galvanometer is a type of scanning device used in the transportation and trucking industry. The vehicle is pulled through a fixed scanner while an operator watches a closed circuit television.


Why we use copper wire for moving coil galvanometer?

Copper is used in moving coil galvanometers because it is a good conductor of electricity, which allows for minimal resistance and efficient flow of currents. Additionally, copper is flexible and ductile, making it ideal for winding into a coil to create the moving part of the galvanometer.


Why is a moving coil galvanometer?

A moving coil galvanometer is sensitive and accurately measures small currents due to the rotation of a coil in a magnetic field, producing a deflection proportional to the current. It is preferred for measuring small currents because of its high sensitivity and low electrical resistance.