why should the resistance of an ammeter be very small?
Answers
Answered by
83
Hello buddy..
A device which measures current like ammeter must have zero resistance
.
- No device can have zero resistance except super conductors, which have zero resistance! An ammeter is inserted in series with a circuit to measure the amount of current flowing. the ideal ammeter has zero internal resistance, so as to drop as little voltage as possible as electrons flow through it.
Hope it helps you buddy...
A device which measures current like ammeter must have zero resistance
.
- No device can have zero resistance except super conductors, which have zero resistance! An ammeter is inserted in series with a circuit to measure the amount of current flowing. the ideal ammeter has zero internal resistance, so as to drop as little voltage as possible as electrons flow through it.
Hope it helps you buddy...
Answered by
140
The resistance of an ammeter be very small coz an ammeter has to measure to current flowing through the circuit. So if the resistance o an ammeter is large , the current measured by the ammeter is quite less as compared to the actual amount of current flowing through the circuit which is ineligible. If ammeter has zero resistance then it will give exact value of current.
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hope it helps u
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