2.1 Properties of signal and Noise De value dc 7-_ T12O(tydr =im (2-5) · Instantaneous power p(t)=v()()(2-6) i(t) e. Average power circuit P=(p( Theorem. If a load is resistive the average power is v(t (OR=-rms R=1 (2-12) R R rs Where r is value of the resistive load6 2.1 Properties of signal and Noise • Dc value ( ) (2 - 5) 1 lim / 2 / 2 t dt T W T T T d c  → − =  • Instantaneous Power p(t) =v(t)i(t) (2- 6) P = p(t) = v(t)i(t) (2 - 7) • Average Power ( ) (2 -12) ( ) 2 2 2 2 rms rms rms rms I R V I R V i t R R v t P = = = = = circuit i(t) v(t) • Theorem. If a load is resistive, the average power is : • Where R is value of the resistive load