Electrical Engineering All Engineering Career
Question 181
The relative permittivity has the following units ?
The relative permittivity (also known as the dielectric constant) is a dimensionless quantity. It has no units.
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Question 182
If an ohmmeter reading immediately goes practically to zero and stays there, capacitor is ?
If an ohmmeter reading immediately goes practically to zero and stays there, it indicates that the capacitor is short-circuited.
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Question 183
...... at a point is equal to the negative potential gradient at that point ?
The quantity that, at a point, is equal to the negative potential gradient at that point is the electric intensity (also known as the electric field).
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Question 184
An electrolytic capacitor is generally made to provide ?
An electrolytic capacitor is generally made to provide a large value of capacitance.
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Question 185
The property of a capacitor to store electricity is called its ?
The property of a capacitor to store electricity is called its capacitance.
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Question 186
....... capacitors are mainly used for radio frequency tuning ?
Air capacitors are mainly used for radio frequency tuning. They are often adjustable and have a simple construction suitable for high-frequency applications like radio frequency tuning.
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Question 187
The value of E within the field due to a point charge can be found with the help of ?
The value of \( E \) (electric field) within the field due to a point charge can be found with the help of Coulomb's law.
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Question 188
The inverse of capacitance is called ?
The inverse of capacitance is called elastance.
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Question 189
The ratio of electric flux density to electric field intensity is called ..... of the medium ?
The ratio of electric flux density to electric field intensity is called permittivity of the medium.
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Question 190
..... at a point may be defined as equal to the lines of force passing normally through a unit cross-section at that point ?
Â
Electric intensity
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