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IG=Betanx. in this G is G.constant, I is current, Be is Megnetic field of earth,

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Q: What is galvanometer constant of tangent galvanometer?
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Why tangent galvanometer is called tangent galvanometer?

A tangent galvanometer is called so because it uses the tangent of the angle through which a magnetic needle is deflected to measure electric current. The horizontal component of the Earthโ€™s magnetic field and a coil carrying current creates a magnetic field that deflects the needle, making it tangent to the circle of the coil.


Reduction factor of tangent galvanometer?

it is the current measured in amphere..


What r the uses of tangent galvanometer?

to detect the sudden change in current.


What is galvanometer constant and how to find it?

The galvanometer constant is the factor that relates the deflection of a galvanometer to the current passing through it. It is usually given as the current required to produce a unit deflection (such as one full-scale deflection) on the galvanometer. To find the galvanometer constant, you can pass a known current through the galvanometer and measure the corresponding deflection, then calculate the constant as the current divided by the deflection.


Applications of reduction factor of tangent galvanometer?

reduction factor is used to find earth's magnetic field and compare galvanometer constants


What is the use of Tangent Galvanometer?

A Tangent Galvanometer is used to measure small electric currents in a circuit. It works on the principle of the tangent law of magnetism, where the magnetic needle aligns with the magnetic field produced by the current passing through a coil. This alignment allows for the measurement of the current based on the angle of deflection of the needle.


What is reduction factor of tangent galvanometer?

The reduction factor of a tangent galvanometer is the ratio of the tangent of the angle of deflection produced by a given current to the actual value of that current. It is used to calibrate the instrument so that the deflection angle can be directly related to the current flowing through it.


How tangent galvanometer is used to determine the horizontal component of earth's magnetic field?

A tangent galvanometer is used to determine the horizontal component of Earth's magnetic field by aligning the coil axis of the galvanometer with the magnetic field lines. When a current is passed through the coil, it creates a magnetic field that interacts with the Earth's magnetic field, causing the coil to twist until it aligns with the Earth's magnetic field. By measuring this deflection angle, the horizontal component of Earth's magnetic field can be calculated.


Why you should take four times reading in tangent galvanometer?

1) to calculate coeficient of error 2) to calculate deviation between the readings to infere a behaviour


How do you find reduction factor of tangent galvanometer?

We find it by varying the current flowing through it and by measuring the deflection respectively and then we use the formula k=I/tan(theta)


Why needle of tangent galvanometer move by increasing and decreasing current?

The needle of a tangent galvanometer moves when the current passing through it increases or decreases because of the magnetic field produced by the current. This magnetic field interacts with a permanent magnet in the galvanometer, causing the needle to deflect. The deflection is proportional to the strength of the current passing through the galvanometer.


What are applications of ballistic galvanometer?

Ballistic galvanometers are used in applications where a very short-duration current measurement is required, such as measuring the charge of particles in particle physics experiments or determining the output of pulsed power supplies. They are also used in high-speed photography to capture events that occur in a very short period of time.