Class/Course - Medical Entrance

Subject - Physics

Chapter - Current Electricity

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Q.1 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
  ε and -r
  -r and ε
  r and -ε
  -ε and r