Q. What happens to the capacitance when a dielectric is introduced between its plates?

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Q. Calculate the relative permittivity of the second dielectric if the relative permittivity of the first is 4. The electric field strength of the first dielectric is 8V/m and that of the second is 2V/m.

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Q. What happens to the potential drop between the two plates of a capacitor when a dielectric is introduced between the plates?

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Q. If the potential difference across the plates of a capacitor is 10V and a dielectric having thickness 2m is introduced between the plates, calculate the potential difference after introducing the dielectric. The electric field strength is 2V/m.

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Q. Calculate the capacitance if the dielectric constant=4, area of cross section= 10m² and the distance of separation between the plates is 5m.

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Q. A dielectric is basically a ________

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Q. What happens to the potential difference between the plates of a capacitor as the thickness of the dielectric slab increases?

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Q. Which of the following depends on charging and discharging rate of a capacitor?

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Q. What is the initial current while charging a capacitor?

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Q. What is the final current while charging a capacitor?

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Q. A capacitor is charged to a voltage of 400V and has a resistance of 20ohm. Calculate the initial value of charging current.

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Q. A capacitor is charged to a voltage of 400V and has a resistance of 20ohm. Calculate the initial value of the discharge current.

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Q. A capacitor is charged to a voltage of 400V and has a resistance of 20ohm. Calculate the final value of the discharge current.

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Q. When will be capacitors fully charged?

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Q. What happens to the capacitor when the capacitor voltage is equal to the source voltage?

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Q. A capacitor is charged to a voltage of 400V and has a resistance of 20ohm. Calculate the final value of charging current.

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Q. The charging time constant of a circuit consisting of a capacitor is the time taken for the charge in the capacitor to become __________ % of the initial charge.

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Q. The discharging time constant of a circuit consisting of a capacitor is the time taken for the charge in the capacitor to become __________ % of the initial charge.

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Q. A circuit has a resistance of 2 ohm connected in series with a capacitance of 6F. Calculate the charging time constant.

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Q. A circuit has a resistance of 5 ohm connected in series with a capacitance of 10F. Calculate the discharging time constant.

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