A variable resistor R is connected acros...

A variable resistor R is connected across a cell of emf E and internal resistance r.
a) Draw the circuit diagram.
b) Plot the graph showing variation of potential drop across R as function of R.
c) At what value of R current in circuit will be maximum.

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A variable resistor R is connected across a cell of emf E and internal resistance r. a) Draw the circuit diagram. b) Plot the graph showing variation of potential drop across R as function of R. c) At what value of R current in circuit will be maximum.

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A variable resistor R is connected across a cell of emf E and internal resistance r.
a) Draw the circuit diagram.
b) Plot the graph showing variation of potential drop across R as function of R.
c) At what value of R current in circuit will be maximum.