Question

A -11 nC charge is located at (x, y) = (1.1 cm , 0 cm). [Express your answer to two significant figures and include the appropriate units.]

What is the x-component of the electric field at the position (x, y) = (4.5 cm , 0 cm)?

What is the y-component of the electric field at the position (x, y) = (4.5 cm , 0 cm)?

What is the x-component of the electric field at the position (x, y) = (−4.5cm, 0 cm)?   

What is the y-component of the electric field at the position (x, y) = (−4.5cm, 0 cm)?

What is the x-component of the electric field at the position (x, y) = (0 cm, 4.5 cm )?

What is the y-component of the electric field at the position (x, y) = (0 cm, 4.5 cm )?

Answer 1

The given charge is, 10-9 C --11x109 C The location of the charge is (1.1 cm,0 cm)i.e. on the x-axis The electric field due to a point charge is, The location where the field is to be found is given as(4.5 cm,0 cm). So, the location is on the x-axis Since thelocation where the electric field is to be found is on the x-axis, the field must have only the x-component, but not the y-component The x-component of the electric field is, 11x10-9 C E (9x19 - -8.564x104 N/C (0.045 m -0.011 m) The y-component of the electric field at (4.5 cm,0 cm) is E0 The location where the field is to be found is given as(-4.5 cm,0 cm). So, the location is on the x-axis Since thelocation where the electric field is to be found is on the x-axis, the field must have only the x-component, but not the y-component. The x-component of the electric field is, -11x10-9c 0.045 m-0.011m) E (9x199) -|-3.157x 104 NC The y-component of the electric field 4.5 cm,0 cm) is E 0 The location where the field is to be found is given as(0 cm,4.5 cm). So, the location is on the y-axis Hence, thex-component of the electric field at (0 cm,4.5 cm) is E0 The y-component of the electric field is, (-11x10* c (0.011m)+(0.045 m) E,-(9x19) 4.613x104 N/C