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WorksheetsCoulombs law and electric field intensity
Total questions: 15
Worksheet time: 15mins
Define unit vector
(a)
what are different types of coordinate systems
cylindrical system
Rectangular system
spherical system
all the above
which is the scalar quantity
force
volume
torque
none of these
When two vectors are perpendicular, their
Dot product is zero
Cross product is zero
both are zero
both are not zero depends on vector
which of the following is a vector quantity
Electric potential
Electric charge
Electric field intensity
all of the above
A region around a stationary electric charge has
both electric field and magnetic field
Magnetic Field
Electric Field
Coulomb is the unit of which quantity?
Field strength
Charge
Permittivity
Force
Coulomb law is employed in
Electrostatics
Magnetostatics
Electromagnetics
Maxwell theory
Two charges 1C and -4C exists in air. What is the direction of force?
Away from 1C
Away from -4C
From 1C to -4C
From -4C to 1C
Find the force of interaction between 60 stat coulomb and 37.5 stat coulomb spaced 7.5cm apart in transformer oil(εr=2.2) in 10-4 N,
8.15
5.18
1.518
1.815
Find the force between two charges when they are brought in contact and separated by 4cm apart, charges are 2nC and -1nC, in μN.
1.44
2.44
1.404
2.404
The Coulomb law is an implication of which law?
Ampere law
Gauss law
Biot Savart law
Lenz law
The electric field intensity is defined as
Force per unit charge
Force on a test charge
Force per unit charge on a test charge
Product of force and charge
Find the force on a charge 2C in a field 1V/m.
0
1
2
3
4
What is the electric field intensity at a distance of 20cm from a charge 2 X 10-6 C in vacuum?
250,000
350,000
450,000
550,000
