An experiment takes 10 minutes to raise temperature of water from 0⁰C to 100⁰C and another 55 minutes to convert it totally into stream by a stabilized heater. The latent heat of vapourization comes out […]
A Si and a Ge diode has identical physical dimensions. The bandgap in Si is larger than that in Ge. An identical reverse bias is applied across the diodes
Options
(a) The reverse […]
4 point charges each +q is placed on the circumference of a circle of diameter 2d in such a way that they form a square. The potential at the centre is
Options
(a) […]
A thin wire of resistance 4 ohm is bent to form a circle. The resistance across any diameter is
Options
(a) 4 ohm (b) 2 ohm (c) 1 ohm (d) 8 ohm
Correct […]
A beaker of radius 1.5 cm is filled with a liquid of surface tension 0.075 N/m. Force across an imaginary diameter on the surface of the liquid is
Options
(a) 0.75 N (b) […]
2017 Copyright Doctor Dreams Training Academy