Q. A capacitor charged to 200 V has 2000 iC of charge. The value of capacitance will be 10 F 10 uF 100 nF 1000 uF Answer: 10 uF
A capacitor charged to 200 V has 2000 iC of charge. The value of capacitance will be Read More »
Q. Air capacitors are generally available in the range 10 to 400 pF 1 to 20 pF 100 to 900 pF 20 to 100 pF Answer: 10 to 400 pF
Air capacitors are generally available in the range Read More »
Q. Which of the following capacitors will have the least variation ? Paper capacitor Ceramic capacitor Silver plated mica capacitor None of the above Answer: Silver plated mica capacitor
Which of the following capacitors will have the least variation ? Read More »
Q. In a capacitive circuit a steady value of applied voltage causes discharge an increase in applied voltage makes a capacitor charge decrease in applied voltage makes a capacitor charge none 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? Glass Vacuum Ceramics Oil Answer: Ceramics
Which of the following materials has the highest value of dielectric constant? Read More »
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/m 8.854 x 10″12 F/m Answer: 8.854 x 1(T10 F/m)
The absolute permittivity of free space is given by Read More »
Q. A paper capacitor is usually available in the form of tubes rolled foil disc meshed plates Answer: rolled foil
A paper capacitor is usually available in the form of Read More »
Q. A gang condenser is a polarised capacitor variable capacitor ceramic capacitor none of the above Answer: variable capacitor
Q. A capacitor consists of two insulators separated by a conductor two conductors separated by an insulator two insulators only two conductors only Answer: two conductors separated by an insulator
Q. Capacitance increases with increase in plate area and decrease in distance between the plates increase in plate area and distance between the plates decrease in plate area and value of applied voltage reduction in plate area and distance between the plates Answer: increase in plate area and decrease in distance between the plates
