A. 800 uC
B. 900 uC
C. 1200 uC
D. 1600 uC
If a 6 uF capacitor is charged to 200 V, the charge in coulombs will be____________? Read More »
Electrostatics A. Ceramics
B. Oil
C. Glass
D. Paper
Which of the following material has least value of dielectric constant ? Read More »
Electrostatics A. Paper capacitor
B. Mica capacitor
C. Ceramic disc capacitor
D. None of the above
For closer tolerances which of the following capacitors is usually preferred ? Read More »
Electrostatics A. ± 5%
B. ± 10%
C. ± 15%
D. ± 20%
Paper capacitors usually have a tolerance of___________? Read More »
Electrostatics A. Gauss’s law
B. Kirchhoff s law
C. Faraday’s law
D. Lenz’s law
A. Air
B. Paper
C. Mica
D. Electrolytic
capacitors can be used only for D.C ? Read More »
Electrostatics A. 0.1 to 0.4
B. 0.5 to 1.0
C. 2.0 to 4.0
D. 5 to 100
The dielectric constant (relative permittivity) of glass is given by___________? Read More »
Electrostatics A. 36 x 10fa
B. 36 x 107 N
C. 36 x 108 N
D. 36 x 109 N
A. 10 to 20 kV/mm
B. 30 to 50 kV/mm
C. 50 to 200 kV/mm
D. 300 to 500 kV/mm
Dielectric strength of mica is___________? Read More »
Electrostatics A. Paper
B. Air
C. Mica
D. Electrolytic
capacitors are mainly used for radio frequency tuning? Read More »
Electrostatics