Which of the following materials has an increase in resis...
Which of the following materials has an increase in resistance with temperature?
water
metals
wood
electrolyte
Correct answer is B
Resistance in metals are proportional to temperature
Which of the following statements about the atom is/are correct? I. Energy is needed to remove el...
When two waves are superimposed on each other, the following occurrences are possible, except ...
Which of the following is an essential physical property of the wires used for making fuses? ...