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An Interesting Question?

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Two resistors each of resistance 20 Ohms are connected in series with a 2 volt battery.

There are three cases:

Case 1

An Ammeter is placed between the two resistors

Case 2

An Ammeter is placed after the two resistors

Case 3

An Ammeter is placed before the two resistors

What would be the reading on the ammeter in each of the cases and why?

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  1. The current is always equal to voltage over resistance (Ohm's Law), so that's 2 / 40 A, and it is always the same for the same series.  


  2. I don't think that there would be any diff. & the reading will be 0.05 A.
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