An ammeter can measure current up to 500 mA. There are 20 equal divisions between 0 and 100 mA marks on the scale. During an
experiment to determine the equivalent resistance of the two resisters joined in parallel a student observes ammeter’s pointer at
3
rd graduation mark after zero when the key is off and the pointer at the 17th graduation mark after 200 mA when the key is
inserted into the plug. Find the value of the current flowing through the circuit.
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It is a very big question for me
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