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Ohmic and Non Ohmic Resistors

In ammeter,a ...

Question

In ammeter,a student sees the needle indicates 17 divisions in ammeter while performing an experiment to verify ohms Law. If ammeter has 10 divisions between 0-0.5A them what is the value of corresponding 17 divisions

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Solution

1 div=0.5/10=0.05A
the current indication for the 17 division =17*0.05=.85A

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