Computer Programming MCQs

5739 MCQs  (Page 160 of 574)

Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the____________?
A. Voltage across the plates increases
B. Voltage across the plates decreases
C. Charge on the capacitor decreases
D. Charge on the capacitor increases
In a capacitor the electric charge is stored in____________?
A. Metal plates
B. Dielectric
C. Both (a) and (b)
D. None of the above
Which of the following capacitors will have the least variation ____________?
A. Paper capacitor
B. Ceramic capacitor
C. Silver plated mica capacitor
D. None of the above
For which of the following parameter variation, the capacitance of the capacitor remains unaffected ____________?
A. Distance between plates
B. Area of the plates
C. Nature of dielectric
D. Thickness of the plates
Which of the following statement is true __________?
A. The current in the discharging capacitor grows linearly
B. The current in the dicharging capacitor grows exponentially
C. The current in the discharging capacitor decays exponentially
D. The current in the discharging capacitor decreases constantly
Which of the following capacitors has relatively shorter shelf life____________?
A. Mica capacitor
B. Electrolytic capacitor
C. Ceramic capacitor
D. Paper capacitor