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Q#1 Potentiometer and Q-Meter GATE EE 2004 MCQ +1 mark -0.33 marks

A dc potentiometer is designed to measure up to about 2V with a slide wire of 300 mm. A standard cell of EMF 1.18 V obtains balance at 600 mm. A test cell is seen to obtain balance at 680 mm. The EMF of the test cell is

1.00 V

1.34 V

1.50 V

1.70 V

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