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Question
A student connected the circuit as shown in the figure to determine the internal resistance of a cell E1 by potentiometer (E > E1). He is unable to obtain the null point because ______.
Options
polarities of battery E are not connected properly.
resistance 'R' should be connected in series with E1.
polarities of cell E1 are not connected properly.
plug key K shold be connected in parallel with R.
MCQ
Fill in the Blanks
Solution
polarities of cell E1 are not connected properly.
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Potentiometer
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