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A circuit has a total resistance of 100 ohm and 50 volt is applied across it. The current flow will be:

  a.   50 mA

  b.   500 mA

  c.   2 ampere

  d.   20 ampere
Your answer "c" is not correct. "b" is the right answer.

I = E / R
= 50 / 100
= half an amp
= 500 mA

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