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.Management Sciences
Category: Electrostatics
An electrolytic capacitor can be used for_____________?
A. D.C. only
B. AC. only
C. both D.C. as well as A.C.
The inverse of capacitance is called_______________?
A. reluctance
B. conductance
C. susceptance
D. elastance
A capacitor consists of two____________?
A. ceramic plates and one mica disc
B. insulators separated by a dielectric
C. silver-coated insulators
D. conductors separated by an insulator
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
If a charged rod is brought closer to a gas filled balloon then______________?
A. Radius decreases
B. Balloon bursts
C. Radius increase
D. Balloon squeezes
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
Electric intensity being a vector quantity always points_______________?
A. along the direction of force experienced by a unit positive charge
B. opposite to the direction of force experienced by a unit positive charge
C. perpendicular to the direction of force experienced by a uit positive charge
D. any of above
When a dielectric is placed in an electric field the field strength____________?
A. decreases
B. increases
C. reduces to zero
D. remain unchanged
Which of the following is not a vector ___________?
A. Linear momentum
B. Angular momentum
C. Electric field
D. Electric potential
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