Electric potential and capacitors-DPP6
Quiz
•
Physics
•
12th Grade - University
•
Hard

salman undefined
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a charged capacitor, the energy resides
The positive charges
Both the positive and negative charges
The field between the plates
Around the edge of the capacitor plates
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1000 small water drops each of radius r and charge coalesce together to form one spherical drop. The potential of the big drop is larger than that of the smaller drop by a factor of
1000
100
10
1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The distance between the plates of a parallel plate condenser is 4mm and potential difference is 60volts. If the distance between the plates is increased to 12mm , then
The potential difference of the condenser will become 180volts
The P.D. will become 20volts
The P.D. will remain unchanged
The charge on condenser will reduce to one third
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The true statement is, on increasing the distance between the plates of a parallel plate condenser
The electric intensity between the plates will decrease
The electric intensity between the plates will increase
The electric intensity between the plates will remain unchanged
The P.D. between the plates will decrease
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Force of attraction between the plates of a parallel plate capacitor is
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A frictionless dielectric plate S is kept on a frictionless table T. A charged parallel plate capacitance C (of which the plates are frictionless) is kept near it. The plate S is between the plates. When the plate S is left between the plates
It will remain stationary on the table
It is pulled by the capacitor and will pass on the other end
It is pulled between the plates and will remain there
All the above statements are false
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A capacitor with air as the dielectric is charged to a potential of . If the space between the plates is now filled with a dielectric of dielectric constant 10, the potential difference between the plates will be
1000volts
100volts
10volts
zero
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