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r1=1;
r2=2;
r3=4;
r4=3;
r5=5;
v=40;
disp("Part a");
r_1=r2+r3;
r_2=r_1*r4/(r4+r_1);
r_3=r1+r_2;
r=r5*r_3/(r5+r_3);
disp("the total resistance (in kΩ) is"); disp(r);
disp("Part b");
i=v/r;
disp("the current drawn (in mA) from the source is"); disp(i);
disp("Part c");
p=v*i;
disp("the total power delivered (in mW) by the source is"); disp(p);
disp("Part d");
i1=v/r_3;
i4=i*r_1/(r_1+r4);
p4=i4^2*r4
disp("Power dissipated (in mW) is"); disp(p4);
disp("Part e");
v1=i1*r1;
disp("Voltage drop (n V) across R1 is"); disp(v1);
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