The design of the thermostat of an electric iron is based...
The design of the thermostat of an electric iron is based on the
emmision of electrons from metals when heated
increase in size of metals when heated
increase in the density of metals when heated
change in the mass of metals when heated
Correct answer is B
No explanation has been provided for this answer.
n = α 0.06eV E=3 -1.6eV E=2 -3.7eV E=1 -5.5eV E=0 -10.4eV ...
Solid friction, like viscosity is ...
Which device does NOT make use of the magnetic effects of an electric current? ...
The pressure of one mole of an ideal gas of volume 10-2 m3 at a temperature of 27°c is [molar...
A hygrometer is an instrument used to measure ...
Nuclear fission is preferred to nuclear fusion in the generation of energy because? ...
Which of the following are contact forces? I. Force of tension II. Force of fiction, III. Magne...