# AIEEE PHYSICS--COULOMB'S LAW, POTENTIAL Online Test

A suitable unit for expressing the strength of electric field is ____.
V/C
C/m
N/C
C/N
1 Vm-1 equals ____.
1 NC-1
1NC-2
1 Jm-1
1 Jm-2
I Me V is equal to ____.
1.6 x 10-19J
1.6 x 10-14J
1.6 x 10-13J
1.6 x 1013J
Electric potential at the surface of an atomic nucleus (z =50) of radius 9x10-13 cm is ____.
80 volts
8 x 106 volts
9 volts
9 x 105 volts
Three charges –q, Q and –q are placed at equal distance on a straight line. If the total potential energy of the system of three charges is zero, then the ratio Q : q is ____.
1 :2
2 :1
1 : 1
1 : 4
If two electrons are separated by a distance of 0.5A, then ratio of coulomb force and weight of electron is approximately ____.
1016
1018
1020
1022
Two positively charged particles each of mass 1.7 x 10-27 kg and carrying a charged of 1.6 x 10-19 are placed at a distance r apart. If each one experiences a repulsive force equal to its weight, then r is ____.
1.17 m
1.71 m
0.117 m
0.171 m
Ratio of the electrostatic to gravitational force between two electrons placed at a certain distance in air will be ____.
4.2 x1042
4.2 x 10-42
2.4 x 1024
2.4 x 10-24
Two charge +3.2 x 10-19 C and -3.2 x 10-19 C placed 2.4A apart from an electric dipole. It is placed in a uniform electric field of intensity 4x105 volts/m. The electric dipole moment is ____.
7.68 x 10-29 C x m
7.68 x 10-19 C x m
15.36 x 10-29 C x m
15.36 x 10-29 C x m
Work done in moving an electric charge q in an electric field does not depend upon ____.
magnitude of the charge
potential difference between two points
mass of the particle
All the above
Description:

Questions are from coulomb's law potential and some on units

Discussion

some test really get very bad results as the answers given by the tutors are wrong plz do correct them all thank u!!!!!!!!!!!!

2561 days 8 hours 20 minutes ago

give soln of question 9

2867 days 9 hours 28 minutes ago

such easy questions never asked in aieee i think

2939 days 5 hours 5 minutes ago

very easy

4002 days 8 hours 10 minutes ago

mam can you explain me wat is efflux, torrcelis law

4097 days 13 hours 31 minutes ago

mam,i had take one test of your's,,but i found that you have given wrong answers of Ist 2 questions....please check them out and send me the explanation......gud morning!

4420 days 18 hours 39 minutes ago

Kajal Sengupta
Physics 9th to 12 th grade,CIE, Edexcel, AP, IB , CBSE, ICSE
87 Members Recommend
880 Followers

### More Tests By Author

PHYSICS : REVISION TEST ON TOPICS OF CLASS XII ---XIII
10 Questions | 1039 Attempts

PHYSICS : REVISION TEST ON TOPICS OF CLASS XI --XIII
10 Questions | 256 Attempts

PHYSICS : REVISION TEST ON TOPICS OF CLASS XI --XII
10 Questions | 389 Attempts

Price:\$175