-
Core of transformer is made up of
(a) Soft icon
(B) Steel
© Iron
(D) Alnico -
Transformer is based upon the principle of
(a) Self induction
(B) Mutual Induction
© Eddy current
(D) None of these -
Refractive index of material is equal to tangent of polarizing angle. It is called
(a) Brewster’s law
(B) Lambert’s law
© Malus’s law
(D) Brogg’s law -
The horizontal range of a projectile is 400 m. The maximum height attained by it will be
(a) 100 m
(B) 200 m
© 400 m
(D) 800 m -
What determines the nature of the path followed by the particle?
(a) Speed
(B) Velocity
© Acceleration
(D) None of these