Question

Given an electric dipole as shown in figure 1

1. Given an electric dipole as shown in Figure a) khat is the force (mag. & dir.) exerted by the charge b) いn a t is the electric field (cag, & dir.) at point A? c) What is the electric potential at point A? d) hat is the electric potential at point B.o much work woule en the + charge? you do in moving an electron(q =-1.6 x 10./9 C) fron A to B? 2o cn 20 cm 8 31o 2o cm .20(m holl: of adii

Answer 1

Pertel . 62 c aj ATeo R 02 12 8,62 12 Rip ATE R12 Let co-ondinate ive chau A ( 0, 0 ,0) cm ond co-ahdinateo--'ve (h04ge ス or De( 0.2,0.0) m. fonce exented R2) ー→ 0 0.2 an

21 2L 2. ATTE R2L 9 -7 タfal ак 4 Co-om clina c) . L ,0.173,0 electric Held at poinf A due 40 change (tive) QL -3 3 x 1o R, o.L an o-173 0y , O. 2 67so ラ = 6750 R1

2 C2 3x10 R2 9 一 67co R2 o.2 6750 ΧΟ.L on o 2

Clechric potentia P potential eoint A duefo ch ラV 27 ス10 F350 vol+ PoLe nHul 아 point 8 dnue to charge Q2(-ve)

5 Glectrt potentia, af potnt G clue to change 3XLO Ele hric potemtie at poin+ due te changa s C-ve)

change tn potential enengy っw ウw 67 つ ー(-1.6x10 1 086大10- Joule, A(0173, 6) 0-2m R2 (o 4 ,0, 0) (0 2,0,0) C0, 0,0)