CBSE Class 12-science Answered
A cell of emf (ξ) and internal resistance (r) is connected across a variable external resistance (R). Plot graph to show variation of (i) ξ with R (ii) Terminal p.d of the cell with Resistance(R).
Asked by inderjeet.saluja | 23 Aug, 2014, 02:02: PM
Expert Answer
(i) emf is independent of resistance of the circuit, hence on plotting the graph between E and R, We get graph parallel to resistance axis.
(ii) A cell of emf E and internar resistance r is connected across a variable resistance R.
Answered by Priyanka Kumbhar | 25 Aug, 2014, 10:51: AM
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