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In an experiment oh Ohm's law ,the readi...

In an experiment oh Ohm's law ,the reading of voltmeter across resistor is 15.0 V and reading of current is 0.20 A .The resistance of the resistor in correct significant figure is :

A

`75.0 Omega`

B

`75 Omega`

C

`70 Omega`

D

none of these.

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