Q1 By convention, the electrostatic potential of earth is taken to be
- Zero
- infinity
- 1
- None of these
- Zero
Q2 Physical significance of the line integral of electric field is that
- It signifies the work done in moving a unit charge from one point to another in the electric field.
- It gives idea about capacitance.
- It gives idea about magnetic susceptibility.
- It gives idea about electric permittivity
Q3 Dimensional formula of electric potential difference is
- `M^{-1}L^{2}T^{-3}A^{-1}`
- `M^{1}L^{2}T^{-3}A^{-1}`
- `M^{1}L^{-2}T^{-3}A^{-1}`
- `M^{1}L^{2}T^{3}A^{-1}`
- `M^{1}L^{2}T^{-3}A^{-1}`
Q4 The electric potential V at a point on the axis of an electric dipole depends on the distance “x” of the point from the dipole as:-
- `v∝\frac{1}{x}`
- `v∝{x}`
- `v∝\frac{1}{x^{2}}`
- `v∝\frac{1}{x^{3}}`
- `v∝\frac{1}{x^{2}}`
Q5 When capacitors are connected in parallel, the total capacitance is always _________ the individual capacitance values.
- Greater than
- Less than
- Equal to
- Cannot be determined
- Greater than
Q6 When capacitors are connected in series, the total capacitance is always _________ the individual capacitance values.
- Greater than
- Less than
- Equal to
- Cannot be determined
- Less than
Q7 Which type of energy get stored inside a capacitor?
- Potential energy
- Electric energy
- Chemical energy
- Kinetic energy
- Electric energy
Q8 Polarization is defined as the dipole moment
- per unit length
- per unit area
- per unit volume
- per unit time
- per unit volume
Q9 Work done to bring a unit positive charge un-accelerated from infinity to a point inside electric field is called
- Electric field
- Electric potential
- Capacitance
- Electric flux
- Electric potential
Q10 How many Joules are in 1 MeV?
- 1 MeV =1.6 x `10^{-13}`J
- 1 MeV =1.6 x `10^{-19}`J
- 1 MeV =1.6 x `10^{-12}`J
- 1 MeV =1.6 x `10^{-15}`J
