A student measures the terminal potential difference (V) of a cell (of emf ε and internal resistance r) as a function of the current (I) flowing through it. The slope, and intercept, of the graph between V and I, then, respectively, equal:
A
-r and ε
B
r and -ε
C
-ε and r
D
ε and -r

Question

A student measures the terminal potential difference (V) of a cell (of emf ε and internal resistance r) as a function of the current (I) flowing through it. The slope, and intercept, of the graph between V and I, then, respectively, equal:

A

-r and ε

B

r and -ε

C

-ε and r

D

ε and -r

Accepted Answer

-r and ε

Answer

r and -ε

Answer

-ε and r

Answer

ε and -r

AIPMT MAINS 2009 Physics Electromotive Force and Internal Resistance MCQ Question

Correct Answer

Detailed Explanation

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