A nonconducting wall carries 2 What is the electric field 8.7 of the wall? The permittivity of −122 2 8.8542×10 C /N·m . Answer in units of N/C. 022 10.0 points a uniform cm in front a vacuum is 2.Qr= πar3 aπ charge density of 10.08

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples