WorksheetsDielectrics & Polarisation
Total questions: 11
Worksheet time: 8mins
When a conductor is placed in a field __________ takes place and an induced field is developed within the conductor and it resists the external field.
However, when it returns to the equilibrium state we have
charge separation, Ein = Eo
electrostatic shielding, E=0
charge separation, -Ein + Eo = 0
charge separation, Ein + Eo = 0
Choose the statements that are TRUE:
Dielectrics are insulators.
Dipoles in a dielectric can move.
Dielectrics have non-polar molecules.
Dielectrics resist flow of charges entirely.
Non-polar molecules is/are of (a) type(s).
Polar & non-polar dielectrics can be polarised to attain an induced dipole moment.
True
False
Polarisation P = _____________
χ0 ε0 E
2 a q
χ0 E
p E
SI unit of capacitance is (a) .
Polarisation is
dipole moment per unit volume
dipole moment per unit mass
dipole moment per unit area
none of the above
The direction of the polarisation
in the direction of the Electric field
in the opposite direction of the Electric field
in the direction of dipole moment
in the direction of displacement
What is a capacitor?
Define capacitance.
Capacitance C = _____
V/I
V/Q
Q/V
IR
Did you find a capacitor at home? If yes, share a picture in the group ;)
