Home
Class 12
PHYSICS
Plot a graph showing the variation of co...

Plot a graph showing the variation of coulomb force (F) versus `((1)/(r^(2)))`, where r is the distance between the two charges of each pair of charges:
`(1mu C,2mu C) and (2muC-3muC)`. Interpet the graphs obtained.

Text Solution

Verified by Experts

According to Coulomb's law,
`F oo q_(1) q_(2)` and `F = oo (1)/(r^(2))`
Therefore, both pairs of charges graph between
F and `(1)/(r^(2))` is a straight line. Between `(1 mu C, 2 muC)`, force is positive/ repulsive and proportional to `1 (2) = 2`. Between `(2 muC and -3 muC)` force is negative/ attractive and proportional to `2 (3) = 6`
Therefore, in Fig 1(a).25, OA represents the variation between F and `l//r^(2)` for the pair `(1 mu C, 2mu C)` And ,OB represents the variation between F and `l//r^(2)` for the secound pair `(2 muC, -3 muC)`.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTROSTATICS

    PRADEEP|Exercise SHORT ANSWER QUESTIONS|9 Videos

  • ELECTROSTATICS

    PRADEEP|Exercise CURIOSITY QUESTIONS|4 Videos

  • ELECTROSTATICS

    PRADEEP|Exercise TYPICAL EXAMPLES|1 Videos

  • ELECTRONIC DEVICES

    PRADEEP|Exercise Fill in the Blanks|1 Videos

  • MAGNETIC EFFECT OF CURRENT AND MAGNETISM

    PRADEEP|Exercise Competition Focus (Multiple Choice Questions)|2 Videos

Similar Questions

Explore conceptually related problems

Plot a graph showing the variation of coulomb force (F) versus ((1)/(r^(2))) where r is the distance between the two charges of each pair of charges :(1 mu C ,2 muC ) and ( 2 mu C ,-3muC ) . Interpret the graphs obtained.

Plot a graph showing variation of de-broglie wavelength lambda versus 1//sqrtV , where V is accelerating potential for two particle A and P carrying same charge but of masses m_1 and m_2(m_1gtm_2) . Which one of the two represents a particle of smaller mass and why?

Knowledge Check

  • Which graph shows variation of electric rield of a uniformly charged sphere w.r.t distance (r) from the centre:

    A
    B
    C
    D

  • The distance between the two charges 25 mu C and 36 muC is 11 cm . At what point on the line joining the two, the intensity will be zero

    A
    At a distance of `5 cm` from `25mu C`
    B
    At a distance of `5 cm` from `36mu C`
    C
    At a distance of `10 cm` from `25mu C`
    D
    At a distance of `11 cm` from `36mu C`

  • The force of attractions between two charges 8muC and -4muC is 0.2 N. Find the distance of separation.

    A
    1.2 m
    B
    12 m
    C
    120 m
    D
    0.12 m

    • Similar Questions

    Explore conceptually related problems

    Plot a graph showing variation of de-Broglie wavelength lamda versus 1/sqrtV , where V is accelerating potential for two particles A and B carrying same charge but of masses m_1, m_2 (m_1gt m_2) . Which one of the two represents a particle of smaller mass and why?

    (a) Use Gauss's law to show that due to a uniformly charged spherical shell of radius R, the electric field at any point situated outside the shell at a distance r from its centre is equal to the electric field at the same point, when the entire charge on the shell were concentrated at its centre. Also plot the graph showing the variation of electric field with r, for r le R and r ge R . (b) Two point charges of +1 muC and +4 muC are kept 30 cm apart. How far from the +1muC charge on the line joining the two charges, will the net electric field be zero ?

    The force between two charges 9 mu C and 1mu c separated by a distance 3 m in space is..........

    Two point charges +5mu C and -2mu C are kept at a distance of 1m in free space. The distance between the two zero potential points on the line joining the charges is

    Force of 12 N is experienced by two charges of +8 mu C and - 6 mu C. A charge of + 4 mu C is added. The new force between the charges will be:

    Home
    Profile