Electrostatics

Electrostatics
The SI unit of charge is
Newton
coulomb
Pascal
omega
Author: rikazzz Comment
Electrostatics
If the voltage across the capacitor is 15V, the potential difference between its plates is
7.5V
15V
25V
10V
Author: rikazzz Comment
Electrostatics
If W is the work done in moving a positive charge q from infinity to a certain point in the field, the electric potential V at this point would be equal to
V = W/q
V = q/W
V = W×q
V = W + q
Author: rikazzz Comment
Electrostatics
The value of k in coulomb’s law depends upon
magnitude of charges
distance between charges
medium between two charges
all of above
Author: rikazzz Comment
Electrostatics
To protect the leaves from the external electrical disturbance, we use
chords
capacitors
mercury foil
aluminum foil
Author: rikazzz Comment
Electrostatics
To prevent lightning from damaging tall buildings, we use
lightning conductors
lightning capacitors
lightning insulators
lightning gases
Author: rikazzz Comment
Electrostatics
By rubbing a neutral body with another neutral body, we can produce
heat
electric charge
light
atoms
Author: rikazzz Comment
Electrostatics
The direction of electric field intensity in an electric field can be represented by drawing
points
images
circles
lines
Author: rikazzz Comment
Electrostatics
The unit for electric field intensity is
N
NC^-1
Ns
n
Author: rikazzz Comment
Electrostatics
The electric charge between two bodies can be produced by
sticking
rubbing
oiling
passing AC current
Author: rikazzz Comment

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