Equivalent capacitance is greater than individual capacitances in?
parallel combination
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series combination
series and parallel combinations
None of the Option is Correct
The number of electrons in one coulomb charge is equal to?
The number of electrons in one coulomb charge is equal to?
6.2 x 1018
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1.6 x 1019
6.2 x 1021
1.6 x 10-27
SI unit of the permittivity of free space is?
SI unit of the permittivity of free space is?
N-1m-2C2
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NmC-1
N-1mC-2
Nm2C2
Value of εr for various dielectrics is always?
Value of εr for various dielectrics is always?
Larger than unit
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No hard and fast rule
Equal to the unit
Less than unity
If a charged rod is brought closer to a gas filled balloon then?
If a charged rod is brought closer to a gas filled balloon then?
Radius increase
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Balloon squeezes
Balloon bursts
Radius decreases
Photocopier and inject printer are dealt in?
Photocopier and inject printer are dealt in?
Electrostatics
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Charges in motion
Capacitors
Electric fields
N/C =?
N/C =?
V/m
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A/m
J/V
V/A
Which one of the following can be taken as the measure of electric intensity?
Which one of the following can be taken as the measure of electric intensity?
V/A
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F/A
VF/A
q/VA
The height of chimney in a power plant is governed by?
The height of chimney in a power plant is governed by?
control of pollution
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quantity of flue gases to be handled
limitation of construction facilities
the draft to be created
Which is not correct statement about effect of sulphur in fuel ?
Which is not correct statement about effect of sulphur in fuel ?
it erodes furnace walls
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it leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low
it helps in electrostatic precipitation of ash in flue-gases
it has heating value