Electromagnetic Theory Coulomb Law Online Exam Quiz
Electromagnetic Theory Coulomb Law GK Quiz. Question and Answers related to Electromagnetic Theory Coulomb Law. MCQ (Multiple Choice Questions with answers about Electromagnetic Theory Coulomb Law
A charge of 2 X 10-7 C is acted upon by a force of 0.1N. Determine the distance to the other charge of 4.5 X 10-7 C, both the charges are in vacuum.
Options
A : 0.03
B : 0.05
C : 0.07
D : 0.09
Two small diameter 10gm dielectric balls can slide freely on a vertical channel. Each carry a negative charge of 1?C. Find the separation between the balls if the lower ball is restrained from moving.
Options
A : 0.5
B : 0.4
C : 0.3
D : 0.2
Find the force between two charges when they are brought in contact and separated by 4cm apart, charges are 2nC and -1nC, in ?N.
Options
A : 1.44
B : 2.44
C : 1.404
D : 2.404
Find the force between 2C and -1C separated by a distance 1m in air(in newton).
Options
A : 18 X 106
B : -18 X 106
C : 18 X 10-6
D : -18 X 10-6
Find the force of interaction between 60 stat coulomb and 37.5 stat coulomb spaced 7.5cm apart in transformer oil(?r=2.2) in 10-4 N,
Options
A : 8.15
B : 5.18
C : 1.518
D : 1.815
The Coulomb law is an implication of which law?
Options
A : Ampere law
B : Gauss law
C : Biot Savart law
D : Lenz law
Two charges 1C and -4C exists in air. What is the direction of force?
Options
A : Away from 1C
B : Away from -4C
C : From 1C to -4C
D : From -4C to 1C
Coulomb law is employed in
Options
A : Electrostatics
B : Magnetostatics
C : Electromagnetics
D : Maxwell theory
For a charge Q1, the effect of charge Q2 on Q1 will be,
Options
A : F1 = F2
B : F1 = -F2
C : F1 = F2 = 0
D : F1 and F2 are not equal
Coulomb is the unit of which quantity?
Options
A : Field strength
B : Charge
C : Permittivity
D : Force
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