Question

-29 Y-D X-1 The electric field may be zero at approximately O X=-0.4 OX= - 1.0 O x = 1.0 OX= 0.33

Answer 1

-28 E2 +01 E > ok b BA 2=1 x=0 Point B between two where electric field in Dro. first we consider Charges Electre filld filled at B due to charge to KO E = (0) K - SX109 N-m²-2] be OB-b Electric field at B due to charge -20 Ez- K28) (1-6) 2 B.A BA 1-b Net field at BE = E +E - ko +K (28) 62 (1-6) 2 both term are positive be zero. option a i So Wet field cannot incorrect

Electric field at x=1, r² ra 1 unit E KO KO po option is incorrect Now consider to left side a pointe charge of b. distance to at + Q E2 7 -28 . A C Ei < x=0 x=1 Electric due to charge to U= -b field at C ko 0 e2 E = b Oc= 0-(b) = o ? E = be

Electric field at e due to charge - 20 (k) (20) Ac² с AC- Ao toc th Ez = 2kg (1+b)? Net field at C, E = E2 - Ei 2KO KO (1+6) 2 62 for Eco 2ks - KO bi (+62 2k& (+b) z bi (+62 2 b ² = 262 = 1+2b the - 2b-bt – 2b - 1 = 0 6² – 2b-1=0 2 + √4+4 2 + 252 2 =) b 2 1+2 b 7 b Ar b = 1-2 = 1-104 his negative (a) N= -0.44 wrrect option