1.
Rt = S x Vdc
= 50k ohm
It = Vat/Rt
= 0.2mA
Ish
= It - Im
= 100mA
Rsh
= ImRm/ Ish
= 500 ohm #
Rt = Rs + Rd + Rm//Rsh
Rs = 49700k ohm #
2.
a ) Ish =
Em/ Rsh
= 1mA
It = Ish + Im
= 2mA
Edc = 9.0V
Rt = Edc/ It
= 4500 ohm
maka,
Rs = Rt – 2Rd - Rm//Rsh
= 2250 - 200 - 100
= 4200 ohm #
b )
kepekaan ac,
Sac = Rt/ julat
= 420 ohm/V #
kepekaan dc,
Sdc = 420/ 0.9
= 466.667 ohm/V #