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Grade: 12

                        

An ammeter of resistance 0.2ohm reading up to 10mA is to be used to read up to 1 volt potential difference. We have to connect: 99.8ohm reistance in series 99.8ohm resistance in parallel 0.1ohm resistance in series 0.1 ohm resistance in parallel

2 years ago

Answers : (1)

Khimraj
3007 Points
							
to use ammeter we have to connect resistance in series.
Let its value is x
then
(0.2 + x)*0.01 = 1
so
x = 99.8 ohm
so correct answer is
  1. 99.8ohm reistance in series
Hope it clears.
2 years ago
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