Physics
Electrostatics
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#9 The electric field lines due to a positive point charge are
A) Radially inward
B) Radially outward
C) Parallel
D) Perpendicular
#10 The electric field lines due to a negative point charge are
A) Radially inward
B) Radially outward
C) Parallel
D) Perpendicular
#11 The electric potential at a point is defined as
A) Work done per unit charge
B) Force per unit charge
C) Energy per unit charge
D) Both A and C
#12 The SI unit of electric potential is
A) Volt
B) Joule/Coulomb
C) Both A and B
D) Neither A nor B
#13 The electric potential due to a point charge q at a distance r is
A) $\frac{kq}{r}$
B) $\frac{kq}{r^{2}}$
C) $\frac{kq}{r^{3}}$
D) $kqr$
#14 The electric potential difference between two points is
A) Work done per unit charge
B) Force per unit charge
C) Energy per unit charge
D) Both A and C
#15 The SI unit of electric potential difference is
A) Volt
B) Joule/Coulomb
C) Both A and B
D) Neither A nor B
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