Question

The correct curve between voltage gain (  and load resistance (  is

(a)

(b)

(c)

(d)

Answer

(c)

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Image

In a parallel plate condenser, the radius of each circular plate is 12 cm  and the distance between the plates is 5mm. There is a glass slab of 3mm  thick and of radius 12 cm  with dielectric constant 6 between its plates. The capacity of the condenser will be

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