Home / MCQ Bank / Electronics and Communication

Electronics and Communication Control Systems Difficulty: Medium

Consider the following statements for a photo conducting material: 1. Its dark conductivity is small. 2. With the absorption of radiation, equal numbers of electrons and holes are produced. Which of the statements given above is/are correct? Which instrument has the highest frequency range with accuracy within reasonable limits? An event has 4 possible outcomes with probabilities $$\frac{1}{2},\,\frac{1}{4},\,\frac{1}{8},\,\frac{1}{{16}}.$$ What will be the rate of information if there are approximately 24 outcomes/second possible? An AM broadcast station operates at its maximum allowed total of 100 kW with 90% modulation. The power in the intelligence part is Given that x 1 (t) = e k 1 t u(t) and x 2 (t) = e -k 2 t u(t). Which one of the following gives their convolution?