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The curve between current (i) and poten...

The curve between current `(i)` and potential difference `(V)` for a photo cell will be

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
D
In photocell , at a particular negative potential (stopping potential `V_(0)`) of anode , photoelectric current is zero ,
At the potential difference between cathode and anode increases current through the circuit increases but after some time constant current (saturation current)flows through the circuit even if potential difference still increasing.
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The graph between current I and potential difference V in the experimental verification of Ohm's law were drawn by four students. Which one is correct?

Draw a labelled circuit diagram to study the dependence of current (I) on the potential difference (V) across a resistor.

Knowledge Check

  • The relation between current and potential difference is given by

    A
    Ohm's law
    B
    Coulomb's law
    C
    Kirchhoff's law
    D
    Newton's law

  • To study the dependence of current (I) on the potential difference (V) across a resistor, the correct way of connecting the ammeter and voltmeter in the circuit is :

    A
    ammeter and voltmeter both are connected in series
    B
    ammeter is connected in parallel and voltmeter in series
    C
    ammeter is connected in series and voltmeter in parallel
    D
    ammeter and voltmeter both are connected in parallel

  • In photoelectric effect , the curve between photoelectric current and anode potential V (for different frequencies ) is shown in figure , then

    A
    `v_(1) gt v_(2) gt v_(3)`
    B
    `v_(1) lt v_(2) lt v_(3)`
    C
    `v_(1) = v_(2) = v_(3)`
    D
    `v_(1) gt v_(2) lt v_(3)`

    • Similar Questions

    Explore conceptually related problems

    For a cell, the graph between the potential difference (V) across the terminals of the cells and the current I drawn from the cell is as shown in figure. Calculate the e.m.f. and the internal resistance of the cell.

    Plot a graph which shows the dependence of current I on potential difference V across a resistor R .

    Plot a graph which shows the dependence of current I on potential difference V across a resistor R .

    If internal resistance of a cell is proportional to current drawn from the cell. Then the best representation of terminal potential difference of a cell with current drawn from cell will be

    In the following figure the curves have been drawn between the photoelectric current and the potential difference applied at the cathode with respect to anode at four different intensities, the stopping potential is represent by

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