Question

Can someone try answering all questions

/bbcswebdav/pid-1324380-dt-content-rid-17491102 /courses/PHYS1B S218 A00/PS WorkSheet AUG8.pd Physics 18-Problem Session Worksheet (8 AUG 2018) Coulomb's Law, Electric Fields] A charged ball X is saspended by a string. When a uniform electric field E is applied horizontally, the ball is displaced a horizontal distance a such that the string makes an angle θ with the vertical. Which of the following statements is correct? A. E0Cafor all values of θ B. E for all valnes of a C. E x cos @ for all values of a D. E x tan 8for small values of e ouly E. E sin 6 fot small vahues of Bonly i Three charge +Q,-O and-0 are fixed at the comers W. Xand respectively of a square as 0 0 shown. A fouarth charge, g. is fixed at Z afher which the charge at X experiences a NET electrostatic force indicated by the anrow. q is eqal to strnight lines in the diagram represest electnic field lines Which of the following statements about this electric field is/are conmect ? (1) A stariouary egative charge placed at @ tends t0 ove to P 2) The electric ficld strength at P is stronper than that at g 3) Wok has to be done in moving a negative charge frou R to P A. (1) oely B (3) only C.() & (2) ouly D )& (3) culyE(()&(3) MacBook Pro G Search or type URL 3 4 5 8 9

Answer 1