2 What is the magnitude of the electric field at a position 3 m from a +5 nC sou

Question

2 What is the magnitude of the electric field at a position 3 m from a +5 nC source charge? Include units on your answer. Refer to page 657 in the text 20.4 The Concept of the Electric Field The Electric Field of a Point Charge sed to probe shows a point source charge that creates an electric ficld at all points the electric feld of point chargee Nace. We can use a second charge, shown as q in wouwr a4a, to serve as a be the electric field created by charge q What electric the moment, assume both charges are positive. The force on T. which is and points directly away from is given by Coulomb's law: 0204) Eesation 203 the electric field in terms of the foree en the probe charge so for a positive charge away from ne electric field is shown in FIGURE 20aes. Ife is negative, the magnitude of the force on the probe charge is the same as in eaten 20.5, but the direction is towarde, so the general expression forthe field is YKlgl away from air o toward if q

Explanation / Answer

Electric field is given by:

E = k*Q/R^2

given values are:

Q = 5*10^-9 C

R = 3 m

So,

E = 9*10^9*5*10^-9/3^2

E = 5 N/C

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