True/False: 1) Adding a dielectric between the plates of an air capacitordecreas

Question

True/False:

1) Adding a dielectric between the plates of an air capacitordecreases its capacitance.
2) The capacitance of a parallel plate capacitor is proportional tothe area of the plates.
3) Capacitance is the property of a device that enables it to storecurrent.
4) Charge is stored in the dielectric medium between the plates ofa capacitor.
5) The charges on the two plates of a capacitor are equal inmagnitude and sign.

I'm running out tries here, even though I think a have a few ofthem narrowed down. Help?

Explanation / Answer

   1) False because capacitance of thecapacitor is increases    C = kCo      = o Ak / d     2 )   True           capacitance of the parallel plate capacitor                   C = o A/ d                 C    A      3) false           capacitance is the ability of a body to hold anelectrical charge. Capacitance is also a measure of the amountof electrical energy stored (orseparated) for a given electrical potential.       4) True            Chargeis stored in the dielectric medium between the plates of acapacitor.        5)false The charges on the two plates of a capacitor are equal in magnitudeand opposite sign.

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