Respuesta :
(1) The distance of the source charge from the point charge is 0.3 m.
(2) The magnitude of the test charge is +5 x 10⁻⁴ C
Position of the source charge
The position of the source charge is caculated as follows;
[tex]E = \frac{kq}{r^2} \\\\r^2 = \frac{kq}{E} \\\\r = \sqrt{\frac{kq}{E} } \\\\ r= \sqrt{\frac{(9\times 10^9)(3\times 10^{-6})}{3 \times 10^{5}} }\\\\r = 0.3 \ m[/tex]
Thus, the position of the source charge is 0.3 m.
Magnitude of the test charge
The magnitude of the test charge is calculated as follows;
E = F/q
q = F/E
q = (2.5 x 10⁻⁴) / (0.5)
q = 5 x 10⁻⁴ C
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