15.
16.
17.
18.
21.
23.
24.
28. A body gets positive charge. It means that
a. It has lost electrons
b. It has gained protons
c. It has gained positrons
d. It has gained Alpha particles.
29. The minimum value of charge on any charged body may be
a. 1.6 x 10⁹ coulomb
b. 1 coulomb
c. 1 μC
d. 4.8 x 10⁻¹² C
30. A hemisphere is uniformly charged positively. The electric field at a point on a diameter away from the centre is directed
a. Perpendicular to the diameter
b. Parallel to the diameter
c. At an angle tilted towards diameter
d. At an angle tilted away from the diameter
No comments:
Post a Comment