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Which of the following capacitors is marked for polarity ?
Related MCQs
The power dissipated in a pure capacitor is__________?
When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will__________?
A capacitor consists of__________?
A paper capacitor is usually available in the form of__________?
The absolute permittivity of free space is given by__________?
Which of the following statements is incorrect ?
Which of the following capacitors can be used for temperature compensation ?
The value of dielectric constant for vacuum is taken as__________?
While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is__________?
Electric field intensity is a quantity__________?
Energy stored in the electric field of a capacitor C when charged from a D.C source of voltage V is equal to joules__________?
When 4 volts e.m.f. is applied across a 1 farad capacitor, it will store energy of__________?
Dielectric constant for mica is nearly__________?
What is the value of capacitance that must be connected in parallel with 50 pF condenser to make an equivalent capacitance of 150 pF ?
The capacitor preferred for high frequency circuits is__________?
If a 6 uF capacitor is charged to 200 V, the charge in coulombs will be__________?
Which of the following material has least value of dielectric constant ?
For closer tolerances which of the following capacitors is usually preferred ?
Paper capacitors usually have a tolerance of__________?
“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_______?
capacitors can be used only for D.C ?
The dielectric constant (relative permittivity) of glass is given by__________?
The electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be__________?
Dielectric strength of mica is__________?
capacitors are mainly used for radio frequency tuning?
When the dielectric is homogeneous,the potential gradient is__________?
capacitors are used in transistor circuits?
The inverse of capacitance is called__________?
__________field is associated with the capacitor?
The total deficiency or excess of electrons in a body is known as__________?
The potential gradient across the material of low permittivity is than across the material of high permittivity?
A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is__________?
The number of Faraday tubes of flux passing through a surface in an electric field is called__________?
Two infinite parallel plates 10 mm apart have maintained between them a potential difference of 100 V. The acceleration of an electron placed between them is__________?
The phenomenon of an uncharged body getting charged merely by the nearness of a charged body is known as__________?
The relative permittivity has the following units__________?
A unit tube of flux is known as tube__________?
The value of E within the field due to a point charge can be found with the help of__________?
at a point is equal to the negative potential gradient at that point?
Dielectric strength _________ with increasing thickness
Electric intensity at any point in an electric field is equal to the at that point?
The unit of dielectric strength is given by__________?
Electric displacement is a__________quantity
is that property of a capacitor which delays any change of voltage across it ?
One volt is the same as__________?
Which medium has the least dielectric strength __________?
Permittivity is expressed in__________?
In a cable capacitor, voltage gradient is maximum at the surface of the__________?
The property of a capacitor to store electricity is called its__________?
A capacitance of 100 fiF is connected in series with a resistance of 8000 £2. The time constant of the circuit is__________?
The time constant of an R-C circuit is defined as the time during which capacitor charging voltage actually rises to _________ percent of its value
Which of the following capacitors is marked for polarity ?
A. Air
B. Paper
C. Mica
D. Electrolytic
Correct Answer:
Electrolytic
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Last Updated:
December 15, 2018