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

Amara

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

2401 days 6 hours 17 minutes ago

Sayan

give soln of question 9

2707 days 7 hours 25 minutes ago

Raviiitjee10

such easy questions never asked in aieee i think

2779 days 3 hours 3 minutes ago

v.v.karthikey

very easy

3842 days 6 hours 7 minutes ago

naveen krishna

mam can you explain me wat is efflux, torrcelis law

3937 days 11 hours 28 minutes ago

shanky

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!

4260 days 16 hours 36 minutes ago

Kajal Sengupta
Physics 9th to 12 th grade,CIE, Edexcel, AP, IB , CBSE, ICSE
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