From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 61/CH9/EX9.2/ex9_2.sce | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100755 61/CH9/EX9.2/ex9_2.sce (limited to '61/CH9/EX9.2') diff --git a/61/CH9/EX9.2/ex9_2.sce b/61/CH9/EX9.2/ex9_2.sce new file mode 100755 index 000000000..f85b98f2d --- /dev/null +++ b/61/CH9/EX9.2/ex9_2.sce @@ -0,0 +1,11 @@ +//ex9.2 +V_in=176*10^-3; +R_in=2.9*10^3; //total input resistance from previous question +A_p=42429; //power gain from previous question +V_CC=15; +I_CC=0.6; //emitter current +P_in=V_in^2/R_in; +P_out=P_in*A_p; +P_DC=I_CC*V_CC; +eff=P_out/P_DC; +disp(eff,'efficiency') \ No newline at end of file -- cgit