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you can use the R motor from a hard drive. note this motors don't work for testing current.

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โˆ™ 2010-01-08 03:04:46
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Q: Building a galvanometer
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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?


What is a NULL Point of a galvanometer?

Its a point on the galvanometer where the galvanometer shows no deflection as no current passes through it.


What is galvanometer and how a galvanometer converted into an ammeter?

A galvanometer is a type of ammeter an instrument for detecting and measuring electric current. A galvanometer can be converted into ammeter by connecting resistance in parallel with it.


Why tangent galvanometer is called tangent galvanometer?

because in tangent galvanometer earth magnetic field and magnetic field of magnet inside galvanometer are perpendicular to each other


What does a galvanometer measure?

galvanometer is a device use to measure current.


How you convert galvanometer into ammeter in detail?

By attaching a resistance in parallel connection with the galvanometer. Or when a low resistor connected in parallel with galvanometer ,the galvanometer is converted in ammeter. and the resistor is called shunt resistance.


How do you convert galvanometer to ohmmeter?

To convert a galvanometer to an ohmmeter an external battery is attached in series with galvanometer. This will drive a current through an external unknown resistance and measure the resulting current using the galvanometer.


Steps in making a galvanometer?

A galvanometer is used to test an electrical current. A galvanometer can be made using a compass and a thin gauge of wire.


What is weston galvanometer?

The weston type galvanometer is a moving coil galvanometer in which a pointer is attached to the coil for measuring deflection due to torque .


Function of galvanometer?

A galvanometer is an instrument used for detecting electric currents.


What is the difference between a ballistic galvanometer and a dead beat galvanometer?

i want this answer


Who discovered galvanometer?

Andre Marie Ampere is credited with the discovery of galvanometer in1824.


How can you convert galvanometer into ammeter?

a galvanometer can be converted into ammeter by connecting a resistance in parallel with it


Why A sensitive galvanometer cannot be stable?

A sensitive galvanometer cannot be stable. Explain Why?


Why do you need to set a galvanometer to 0?

Zero is the normal position of the galvanometer when there is no detection in process.


How do you convert galvanometer into voltmeter?

we have to add a high resistance in series with the galvanometer to convert it into voltmeter


What are applications of ballistic galvanometer?

application of Ballistic Galvanometer 1) measurements of electric charges


How can you convert a galvanometer to ammeter and voltmeter?

To convert a galvanometer into an ammeter, you connect a suitable shunt resistance parallel to the coil of the galvanometer.The value of this shunt resistance is low. To convert a galvanometer into a voltmeter you connect a suitable high resistance in series with the coil of the galvanometer.


Why is the lamp and scale arrangement in a ballisitics galvanometer at a distance of 1 meter from the galvanometer?

for the convenience of calculations


Why galvanometer are used in electronic instruments that measures low current and voltage?

The galvanometer is very sensitive.


What are some applications of tangent galvanometer?

Some common applications of a tangent galvanometer are as follows: used to measure the magnitude of the horizontal component of the geomagnetic field, compare the galvanometer constants.


What is difference between ballistic galvanometer and galvanometer?

A normal galvanometer measures current. But a B.G measures charge due to impulse in the coil (sudden flow of charges for a short interval of time).


What instrument measures electric current using an electromagnet?

GalvanometerA clamp meterit is AMMETERgalvanometergalvanometerIt is a clamp meterA current meter. One with a meter movement not a digital one.


How do you find resistance of a galvanometer?

Measure the voltage across the terminals and read the current from the galvanometer at the same time.


What are the disadvantages of a moving coil galvanometer?

major disadvantage is that moving coil galvanometer is not suitable for a.c measurement