Question

Ans of question or5, 7,8

Answer 1

Solution .5)

P=25 w
V = 220

P = V^2 /R
=> 25 = 220^2 /R
=> R = 220 * 220 / 25
=> R = 44 * 44
=> R = 1936 ohm

Solution .6)
Figure is in attachment

Size of image = Size of object

Nature of image is Real and inverted