The situation depicted in Fig. 24-5 is that of two tiny charged spheres separated by 10.0 cm in air. Find 

(a) The electric field E at point P, 

(b) The force on a −4.0 × 10⁻⁸ C charge placed at P, and

(c) Where in the region the electric field would be zero (in the absence of the −4.0 × 10⁻⁸ C charge).

Transcribed Image Text:

91 +20 x 108 C 5.0 cm P Fig. 24-5 5.0 cm 92 -5.0 × 10-8 C