NEET Physics: Questions 433 - 435 of 2099
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Question number: 433
The capacitance of a parallel plate condenser depends on
(1) Area of the plates
(2) Medium between the plates
(3) Distance between the plates
(4) Metal of the plates
Select the correct answers and mark it according to the following codes:
2 and 4 are correct
1, 2 and 3 are correct
1 and 3 are correct
1 and 2 are correct
Question number: 434
The force with which one plate of a parallel plate capacitor is attracted towards the other plate is equal to square of surface density per 2 0 per unit area.
The electric field due to one charged plate of the capacitor at the location of the other is equal to surface density per 2 0.
|a.||Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ|
|b.||Both Ꭺ and Ꭱ are false|
|c.||Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ|
|d.||Ꭺ is true but Ꭱ is false|
Question number: 435
A round disc of moment of inertia I 2 about its axis perpendicular to its plane and passing through its center is placed over another disc of moment of inertia I1 rotating with an angular velocity co about the same axis. The final angular velocity of the combination of discs is