Find the expression for the electric field at P (x, y, z) due to a point charge Q at origin.

\(E = \frac{{{Q^2}}}{{4\pi \epsilon{{\left( {{x^2} + {y^2} + {z^2}} \right)}^2}}}\left( {x{a_x} + y{a_y} + z{a_z}} \right)\)

\(E = \frac{Q}{{4\pi \epsilon{{\left( {{x^2} + {y^2} + {z^2}} \right)}^2}}}\left( {x{a_x} + y{a_y} + z{a_z}} \right)\)

\(E = \frac{Q}{{4\pi \epsilon{{\left( {{x^2} + {y^2} + {z^2}} \right)}^{\frac{3}{2}}}}}\left( {x{a_x} + y{a_y} + z{a_z}} \right)\)

\(E = \frac{{{Q^2}}}{{4\pi \epsilon{{\left( {{x^2} + {y^2} + {z^2}} \right)}^{\frac{3}{2}}}}}\left( {x{a_x} + y{a_y} + z{a_z}} \right)\)

Find the expression for the electric field at P (x, y, z) due to a poi

1.	Find the expression for the electric field at P (x, y, z) due to a point charge Q at origin.
A.	\(E = \frac{Q}{{4\pi \epsilon{{\left( {{x^2} + {y^2} + {z^2}} \right)}^2}}}\left( {x{a_x} + y{a_y} + z{a_z}} \right)\)
B.	\(E = \frac{Q}{{4\pi \epsilon{{\left( {{x^2} + {y^2} + {z^2}} \right)}^{\frac{3}{2}}}}}\left( {x{a_x} + y{a_y} + z{a_z}} \right)\)
C.	\(E = \frac{{{Q^2}}}{{4\pi \epsilon{{\left( {{x^2} + {y^2} + {z^2}} \right)}^2}}}\left( {x{a_x} + y{a_y} + z{a_z}} \right)\)
D.	\(E = \frac{{{Q^2}}}{{4\pi \epsilon{{\left( {{x^2} + {y^2} + {z^2}} \right)}^{\frac{3}{2}}}}}\left( {x{a_x} + y{a_y} + z{a_z}} \right)\)
Answer» C. \(E = \frac{{{Q^2}}}{{4\pi \epsilon{{\left( {{x^2} + {y^2} + {z^2}} \right)}^2}}}\left( {x{a_x} + y{a_y} + z{a_z}} \right)\)

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