Q. A capacitor charged to 200 V has 2000 iC of charge. The value of capacitance will be 10 F10 uF100 nF1000 uF Answer: 10 uF

Q. Air capacitors are generally available in the range 10 to 400 pF1 to 20 pF100 to 900 pF20 to 100 pF Answer: 10 to 400 pF

Q. Which of the following capacitors will have the least variation ? Paper capacitorCeramic capacitorSilver plated mica capacitorNone of the above Answer: Silver plated mica capacitor

Q. In a capacitive circuit a steady value of applied voltage causes dischargean increase in applied voltage makes a capacitor chargedecrease in applied voltage makes a capacitor chargenone of the above Answer: an increase in applied voltage makes a capacitor charge

Q. Which of the following materials has the highest value of dielectric constant? GlassVacuumCeramicsOil Answer: Ceramics

Q. The absolute permittivity of free space is given by 8.854 x 1(T9 F/m)8.854 x 1(T10 F/m)8.854 x KT11 F/m8.854 x 10″12 F/m Answer: 8.854 x 1(T10 F/m)

Q. A paper capacitor is usually available in the form of tubesrolled foildiscmeshed plates Answer: rolled foil

Q. A gang condenser is a polarised capacitorvariable capacitorceramic capacitornone of the above Answer: variable capacitor

Q. A capacitor consists of two insulators separated by a conductortwo conductors separated by an insulatortwo insulators onlytwo conductors only Answer: two conductors separated by an insulator

Q. Capacitance increases with increase in plate area and decrease in distance between the platesincrease in plate area and distance between the platesdecrease in plate area and value of applied voltagereduction in plate area and distance between the plates Answer: increase in plate area and ...

Q. When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will remain unchargeddecreaseincreasebecome zero Answer: decrease

Q. In the case of a lossy capacitor, its series equivalent resistance value will be smallvery smalllargezero Answer: large