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Charges of +5 muC, +10 mu C " and " -10 ...

Charges of `+5 muC, +10 mu C " and " -10 mu C` are placed in air at the corners A,B and C of an equilateral triangle ABC, having each side equal to 5 cm. Determine the resultant force on the charge at A.

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Knowledge Check

  • Electric charge of 1 muC, -1 muC and 2 muC are placed in air at the corners A, B and C respectively of an equilateral triangle ABC having length of each side 10 cm. The resultant force on the charge at C is

    A
    0.9 N
    B
    1. 8N
    C
    2.7 N
    D
    3.6 N

  • Electric charges of 1mu C, -1 mu C and 2mu C are placed in air at the corners A,B and C respectively of an equilateral triangle ABC having length of each side 10 cm . The resultant force on the charge at C is

    A
    `0.9 N`
    B
    `1.8 N`
    C
    `2.7 N`
    D
    `3.6 N`

  • Three charges +Q each are placed at the corners A,B and C of an equilateral triangle. At the circumcenre, O the electric field wil be

    A
    `1/(4 pe_(0)) (3Q)/(r^(2))`
    B
    `1/(4pe_(0))Q/(r^(2))`
    C
    Zero
    D
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    Equal charges of +4 mu C are placed at the three corners of an equilateral triangle of side 2m. Calculate the magnitude and direction of the force on one of the charges.

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