8. An electric dipole of moment p⃗ is placed in a uniform electric field E⃗. Then (i) the torque on the dipole is p⃗ ×E→ (ii) the potential energy of the system is p⃗ .E→ (iii) the resultant force on the dipole is zero. Choose the correct option. (a) (i), (ii) and (iii) are correct (b) (i) and (iii) are correct and (ii) is wrong (c) only (i) is correct (d) (i) and (ii) are correct and (iii) is wrong

Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience.b. report the adverse drug experience to the irb only if there are several other occurrences.c. report the adverse drug experience as part of the continuing review report.d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb.