Related Questions

In capacitance grading a homogeneous dielectric is used.
A Yes
B No
In electro-discharge machining, dielectric is used to
A Help in the movement of the sparks
B Control the spark discharges
C Act as coolant
D All of these
বরফের পরাবৈদ্যুতিক (Dielectric ) ধ্রুবক কত ?
A 4
B 5
C 2
D 3
For making a capacitor it is better to have a dielectric having
A High permittivity
B Low permittivity
C Permittivity same as that of air
D Permittivity which is neither high nor low
The dielectric losses do not depend on frequency.
A True
B False
Dielectric strength of rubber is around
A 5 kV/mm
B 15 kV/mm
C 30 kV/mm
D 200 kV/mm
In capacitance grading of cables we use a _________ dielectric.
A Composite
B Porous
C Homogeneous
D Hygroscopic
For making a capacitor, it is better to select a dielectric having
A low permittivity
B high permittivity
C permittivity same as that of air
D permittivity slightly more than that of air
When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will
A remain uncharged
B decrease
C increase
D become zero
Which consists of two plates separated by a dielectric and can store a charge?
A Inductor
B Capacitor
C Transistor
D Relay

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