SSC JE Electrical Engineering 2013 Paper

Question : 176 of 200

Marks: +1, -0

The voltage (v) vs. current (i) curve of the circuit is shown below:

Internal resistance of the source e is

Solution:

e = V - 10 i

r=e/i=v/i-10

dr={dv}/{di}-10

=12/0.5-10=14Ω

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