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Charges of 10 muC and 15 muC are separat...

Charges of `10 muC` and `15 muC` are separated by a certain distance. Which charge repels the other with a greater force?

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Knowledge Check

  • Two spheres carrying charges + 6 mu C and 9 muC separated by a distance d , experiences a force of repulsion F . When a charge of - 3 muC is given to both the sphere and kept at the same distance as before , the new force of repulsion is :

    A
    3F
    B
    F/9
    C
    F
    D
    F/3

  • Two small conducting spheres of equal radius have charges +10 mu C and - 20 mu C respectively and placed at a distance R from each other experience force F_(1) . If they are brought in contact and separated to the same distance, they experience force F_(2) . The ratio of F_(1) to is F_(2) :

    A
    `1:8`
    B
    `-8:1`
    C
    `1:2`
    D
    `-2:1`

  • An electric dipole consists of two opposite charges , each of magnitude 1.0 mu C separated by a distance of 2.0 cm . The dipole is placed in an external field of 10^(5) "NC"^(-1) . The maximum torque on the dipole is :

    A
    `0.2 xx10^(-3)`N-m
    B
    `1xx10^(-3)`N-m
    C
    `2xx10^(-3)`N-m
    D
    `4xx10^(-3)`N-m

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    Two point charges are separated by some distance, repel each other with a force F. What will be the force if distance between them is halved?

    Two charges of 1.0xx10^(-6) coulomb are separated by a distance 10 cm . Where will the electric field be zero on the line joining the two charges ?

    Two point charges -2nC and +8nC are separated in air by a distance of 0.10m.Find the position of the neutral point along the line joining the 2 point charges.

    Two point charges q_(1)=+4 mu c and q_(2)=+32 muc are spearated in air at a distance of 0.12 m apart. Find the position of the neutral point along the line joining the 2 point charges.

    Two spheres carrying charges + 6 mu C and 9 mu C , seperated by a distance d , experience a force of repulsion F . When a charge of - 3 mu C is given to both the sphere and kept at the same distance as before , the new force of repulsion is

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