CBSE INDIA's video: CBSE UDAAN XII 17 12 2017 SESSION 2

SESSION 1 - (Physics) - Communication Systems – Basic elements of a communication System (Block Diagram only), Need for modulation, Amplitude & frequency Modulation, bandwidth of Signals, Bandwidth of Transmission medium, Propagation of electromagnetic waves in the atmosphere, Sky & space Wave propagation. Experimental skills – Characteristic curves of a p-n junction diode in forward and reverse bias. Characteristics of a Zener diode and finding reverse break down voltage. Characteristic curves of a transistor and finding current gain and voltage gain. SESSION 2 - (Maths) -Probability – Probability Distribution of a random variate. Binomial distribution. Problem solving of different topics.