A. 50
B. 100
C. 150
D. 200
A. Air capacitors have a black band to indicate the outside foil
B. Electrolytic capacitor must be connected in the correct polarity
C. Ceramic capacitors must be connected in the correct polarity
D. Mica capacitors are available in capacitance value of 1 to 10 pF
Which of the following statements is correct ___________? Read More »
Electrostatics A. varying voltage produces the charging and dicharging currents
B. of high peak value
C. charging current can flow
D. discharge current can flow
A. resistor
B. insulator
C. good conductor
D. semi conductor
A dielectric material must be____________? Read More »
Electrostatics A. distance between plates
B. area of plates
C. thickness of plates
D. all of the above
The capacitance of a capacitor is not affected by____________? Read More »
Electrostatics A. volts/coulomb
B. coulombs/volt
C. ohms
D. henry/Wb
The units of capacitance are____________? Read More »
Electrostatics A. 20 uF
B. 30 uE
C. 40 uF
D. 50 uF
If three 10 uF capacitors are connected in parallel, the net cararitance is___________? Read More »
Electrostatics A. D.C. only
B. AC. only
C. both D.C. as well as A.C.
An electrolytic capacitor can be used for_____________? Read More »
Electrostatics A. Linear momentum
B. Angular momentum
C. Electric field
D. Electric potential
Which of the following is not a vector ___________? Read More »
Electrostatics A. always straight
B. always curved
C. sometimes curved
D. none of the above
The lines of force due to charged particles are_________? Read More »
Electrostatics