In the wiring of houses, the fuse is connected to the wir...
In the wiring of houses, the fuse is connected to the wire coloured
blue
brown
yellow
yellow and green
Correct answer is B
No explanation has been provided for this answer.
Production of x-ray tube begins with ...
The invisible part of the spectrum of a white light consists of the following colors ...
Which of the following statements about sound is correct? ...
In an a.c circuit that contains only a capacitor, the voltage lags behind the current by ...
An object is placed between two mirrors which are inclined at an angle of 120° and facing each o...