Computer Programming MCQs

5739 MCQs  (Page 161 of 574)

Which of the following statements is incorrect _________________?
A. The leakage resistance of ceramic capacitors is generally high
B. The stored energy in a capacitor decreases with reduction in value of capacitance
C. The stored energy in a capacitor increases with applied voltage
D. A wire cable has distributed capacitance between the conductors
The sparking between two electrical contacts can be reduced by inserting a___________?
A. Capacitor in parallel with contacts
B. Capacitor in series with each contact
C. Resistance in line
D. None of the above
Three capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them_____________?
A. All in series
B. All in parallel
C. Two in parallel and third in series with this combination
D. Two in series and third in parallel across this combination
In a capacitive circuit___________?
A. A steady value of applied voltage causes discharge
B. An increase in applied voltage makes a capacitor charge
C. Decrease in applied voltage makes a capacitor charge
D. None of the above
Capacitance increases with_____________?
A. Increase in plate area and decrease in distance between the plates
B. Increase in plate area and distance between the plates
C. Decrease in plate area and value of applied voltage
D. Reduction in plate area and distance between the plates
Air capacitors are generally available in the range_________?
A. 10 to 400 pf
B. 1 to 20 pf
C. 100 to 900 pf
D. 20 to 100 pf
A gang condenser is a____________?
A. Polarised capacitor
B. Variable capacitor
C. Ceramic capacitor
D. None of the above