The resistances of the four arms P Q R and Sin a Wheatstone bridge are...
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The resistances of the four arms P Q R and Sin a Wheatstone bridge are 10 ohms 30 ohms 30 ohms and 90 ohms respectively The e m f an internal resistance of the cell are 7 volts and 5 ohm respectively If the galvanometer resistance is 50 ohms the current drawn from the cell will beg 1 2 0 A 2 1 0 A 3 02 A 4 0 1 A EDMI NOTE 5 PRO
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