Please follow the posting template -- it's there for a reason.a.gracias said:How will you convert a galvanometer of resistance 12 ohms showing full scale deflection for a current of 3 milli ampere to
(i) Ammeter of range o to 6 Ampere
(ii) Voltmeter of range 0 to 18V.
gneill said:Please follow the posting template -- it's there for a reason.
We don't do your homework for you here (it's against forum rules); You must show some attempt to solve the problem so that we can see how to help you to solve it yourself.
To convert a galvanometer into an ammeter, you need to place a shunt resistor in parallel with the galvanometer. The value of the shunt resistor should be chosen according to the desired range of the ammeter. To convert a galvanometer into a voltmeter, you need to place a series resistor in line with the galvanometer. The value of the series resistor should be chosen according to the desired range of the voltmeter.
Converting a galvanometer into an ammeter and voltmeter allows you to measure current and voltage in a circuit, respectively. This is useful for conducting experiments and analyzing the behavior of electrical systems.
Yes, most galvanometers can be converted into an ammeter and voltmeter. However, it is important to ensure that the galvanometer has a linear scale and a low resistance so that it can accurately measure current and voltage.
Some important factors to consider include the sensitivity and range of the galvanometer, the desired range of the ammeter and voltmeter, and the accuracy of the measurements. It is also important to use the appropriate shunt and series resistors to ensure accurate readings.
Yes, a galvanometer can be converted back to its original form by removing the shunt or series resistor that was added to convert it into an ammeter or voltmeter. However, it is important to note that the galvanometer may have been calibrated for its new purpose, so it may not provide accurate readings as before.