Short notes
Objective questions (Answers are given below)
- A capacitor consists of two
(a) insulation separated by a dielectric
(b) conductors separated by an insulator
(c) ceramic plates and one mica disc
(d) silver-coated insulators - The capacitance of a capacitor is NOT
influenced by
(a) plate thickness
(b) plate area
(c) plate separation
(d) nature of the dielectric - A capacitor that stores a charge of 0.5 C at
10 volts has a capacitance of …..farad.
(a) 5 (b) 20
(c) 10 (d) 0.05 - If dielectric slab of thickness 5 mm and
εr = 6 is inserted between the plates of an air
capacitor with plate separation of 8 mm, its
capacitance is
(a) decreased (b) almost doubled
(c) almost halved (d)unaffected
1.b 2. a 3. d 4. b