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Grade: 12
        Thousand cells of emf E and internal resistance r are connected in series without any external resistance .Find the potential drop across 399 cells
one year ago

Answers : (1)

Arun
22817 Points
							
I = 1000E/1000r
I = E/r
potential drop across 1 cell = E-Ir = E-(E/r)r
= 0
therefore , For 399 cells potential drop is 0.
one year ago
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