The diagram above illustrates a waveform. Determine the number of wavelengths in it
A resistor with fixed resistance value is called a
Which of the following statements is not an advantage of an alkaline accumulator?
The diagram above illustrates the wire connections to a three-pin plug. The wires P, Q and R respectively are:
Which of the following statements about parallel plate capacitors is/are correct?
I. Capacitance of the capacitor is inversely proportional to the distance between the plates
II. Capacitors can filter a.c signals from d.c
III. Capacitors can store charges
