Home / MCQ Bank / Electronics and Communication

Electronics and Communication Optical Communication Difficulty: Medium

When light is described as an electromagnetic wave, it consists of a periodically varying electric E and magnetic field H which are oriented at an angle?

Select the correct option to test your answer:

More Electronics and Communication Questions

The resistance of a parallel circuit consisting of two resistors is 12 Ω. One of the resistance wires breaks and the effective resistance becomes 18 Ω. The resistance of the broken wire is By the use of which of the following the PPM can be converted to PWM? Which coding terminology deals with the inverse operation of assigned words of second language corresponding to the words in the first language? Two coils with self inductances 1 H & 3 H have a mutual inductance of 1 H. The coupling factor is Which one of the following relations is not correct?