Computer Programming MCQs

5739 MCQs  (Page 159 of 574)

The lines of force due to charged particles are_________?
A. Always straight
B. Always curved
C. Sometimes curved
D. None of the above
Which of the following is not a vector ___________?
A. Linear momentum
B. Angular momentum
C. Electric field
D. Electric potential
An electrolytic capacitor can be used for_____________?
A. D.c. only
B. Ac. only
C. Both d.c. as well as a.c.
The units of capacitance are____________?
A. Volts/coulomb
B. Coulombs/volt
C. Ohms
D. Henry/wb
The capacitance of a capacitor is not affected by____________?
A. Distance between plates
B. Area of plates
C. Thickness of plates
D. All of the above
A dielectric material must be____________?
A. Resistor
B. Insulator
C. Good conductor
D. Semi conductor
If A.C. voltage is applied to capacitive circuit, the alternating current can flow in the circuit because__________________?
A. Varying voltage produces the charging and dicharging currents
B. Of high peak value
C. Charging current can flow
D. Discharge current can flow
Which of the following statements is correct ___________?
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