1) The force due to a field is at a _____ angles to the equipotential surface at that point
30o
Right angles✓✓✓
Parallel
None of the above
2) The surface containing points of equivalent potential is called
Quadrupole
Isometric
Electric intensity
Equipotential✓✓✓
3) The potential of electric dipole varies as
1/r
1/r2✓✓✓
r2
r3
4) Which one is a scalar quantity
deceleration
velocity
Electric Potential✓✓✓
acceleration
5) Which type of potential have real significance
Absolute potential
None of the above
Potential at infinity
Potential difference✓✓✓
6) The work done in taking a unit positive charge from one point to another in electric field is ____ of the path chosen between the two points
independent✓✓✓
dependent
proportional
7) Potential gradient is measured in
c/m
All of the above
V/m2
V/m✓✓✓
8) Negative potential energy corresponds to
Attractive forces✓✓✓
Minimum forces
Equal forces
Repulsive force
9) If q1 and q2 are positive, their potntial energy is
Negative
Positive✓✓✓
Small
Large
10) The field of electric dipole varies as
r-3✓✓✓
r-1
r-4
r-5
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