Physics
State two factors affecting the speed of rotation of the coil in a D.C. motor.
Related Questions
(a) In a reading glass what is the position of the object with respect to the convex lens used?
(b) Why can we not use concave lens for the same purpose?
A fuse is rated 5 A. Can it be used with a geyser rated 1540 W, 220 V. Write Yes or No. Give supporting calculations to justify your answer.
How much heat is required to convert 500 g of ice at 0°C to water at 0°C? The latent heat of fusion of ice is 330 J g⁻¹.