Therefore, capacitance changes to .
The selectivity will not be affected.
Reason (R): In elemental dielectrics there are no permanent dipoles or ions.
Reason (R): The physical properties of a material are determined mostly by the extent of impurities.
Reason (R): If there are n electrons/m3 moving with velocity vx and each electron has a charge - e, the current density J = - n evx.
Reason (R): 1 Bohr magneton = 9.27 x 10-24 A/m2.
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