Answer on Electric Circuits Question for Frank Loyld
In an experiment with a potentiometer, the balanced length of 30cm was recorded when a standard cell (Daniel cell) of electromotive force E1=1.1V was introduced in the circuit. The standard cell was then replaced by a Leclanche cell and the balance length recorded was 40cm. The electromotive force E2 of the Leclanche cell is ________ to 1 place of decimal
A. 1.4V B. 2.1V C. 0.3V D. 1.1V
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