Q.1.
Capacitors are mainly used for radio frequency tuning.
Q.2.
"The surface integral of the normal component of the electric displacement D over any closed surface equals the charge enclosed by the surface". The above statement is associated with
Q.3.
The electrostatic force between two charges of one coulomb each andplaced at distance of 0.5 m will be
Q.4.
Which of the following capacitors can be used for temperaturecompensation ?
Q.5.
The value of dielectric constant for vacuum is taken as
Q.6.
Dielectric constant for mica is nearly
Q.7.
Which of the following capacitors will have the least value ofbreakdown voltage ?
Q.8.
A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance ?
Q.9.
Which of the following materials has the highest value of dielectricconstant?
Q.10.
Which of the following capacitors has relatively shorter shelf life ?
Q.11.
In the case of a lossy capacitor, its series equivalent resistance value will be
Q.12.
Capacitance increases with
Q.13.
A paper capacitor is usually available in the form of
Q.14.
Energy stored in the electric field of a capacitor C when charged froma D.C source of voltage V is equal to joules
Q.15.
When 4 volts e.m.f. is applied across a 1 farad capacitor, it will storeenergy of
Q.16.
The capacitor preferred for high frequency circuits is
Q.17.
The capacity of capacitor bank used in power factor correction isexpressed in terms of
Q.18.
While testing a capacitor with ohm-metre, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is
Q.19.
Which capacitor will be physically smaller for the same ratings ?
Q.20.
A capacitor charged toV has(iC of charge. The value ofcapacitance will be