Home
Class 12
PHYSICS
A cell of emf E and internal resistance ...

A cell of emf `E` and internal resistance r is connected across an external resistance `R`. Plot a graph showing the variation o `P.D`. Across `R`, verses`R`.

Text Solution

AI Generated Solution

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    PRADEEP|Exercise Conceptual Problems|3 Videos

  • CURRENT ELECTRICITY

    PRADEEP|Exercise Very short Q/A|7 Videos

  • COMMUNICATION SYSTEMS

    PRADEEP|Exercise MODEL TEST PAPER-2|9 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    PRADEEP|Exercise Exercise|191 Videos

Similar Questions

Explore conceptually related problems

.A cell of emf E and internal resistance r is connected across a variable resistor. Plot a graph showing variation of terminal voltage V of cell versus the current.

A cell of emf ' epsi ' and internal resistance 'r' is connected across a variable resistor 'R'. Plot a graph showing the variation of terminal potential 'V' with resistance R. Predict from the graph the condition under which 'V' becomes equal to ' epsi '

Knowledge Check

  • A cell of internal resistance r connected across an external resistance R can supply maximum current when

    A
    `R=r`
    B
    `R gt r`
    C
    `R=(r )/(2)`
    D
    `R =0`

  • A cell of e.m.f (E) and internal resistance (r) is connected in series with an external resistance (nr.) then the ratio of the terminal p.d. to E.M.F is

    A
    1/n
    B
    1/(n+1)
    C
    n/(n+1)
    D
    (n+1)/n

  • A cell of emf (E) and internal resistance r is connected across a variable external resistance . R. The graph of terminal potential difference V as a function of R is

    A
    B
    C
    D

    • Similar Questions

    Explore conceptually related problems

    A cell of emf ' epsi ' and internal resistance 'r' is connected across a variable resistor 'R'. Plot a graph showing variation of terminal voltage 'V' of the cell versus the current 'l'. Using the plot, show how the emf of the cell and its internal resistance can be determined.

    A cell of emf epsilon and internal resistance r is connected across a variable resistor R. Plot a graph showing variation of terminal voltage V of the cell versus the current I. Using the plot, show how the emf of the cell and its internal resistance can be determined.

    A cell of emf E and internal resistance r is connected in series with an external resistance nr. Than what will be the ratio of the terminal potential difference to emf, if n=9.

    A cell of e.m. E and internal resistance r is connected across a resistancer. The potential difference between the terminals of the cell must be

    A cell of e.mf. E and internal resistance r is connected in series with an external resistance nr. Then, the ratio of the terminal potential difference to E.M.F.is

    Home
    Profile