For the circuit sown, using the transistor values of: 3 = 200, lc = 4mA and lb = 20uA, find the value of the Base resistor (Rb) required to switch the load "ON" when the input terminal voltage exceeds 2.5v. Vcc Flywheel Diode Relay RB www Vin 90kQ Ο 30ΚΩ Ο 9ΚΩ Ο 0.07ΚΩ IB Ic Vce Ov Load Output

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For the circuit sown, using the
transistor values of: ß = 200, Ic = 4mA
and lb = 20uA, find the value of the
Base resistor (Rb) required to switch
the load "ON" when the input terminal
voltage exceeds 2.5v.
Vcc
Flywheel
Diode
Relay
RB
Vin
+
90kΩ
30ΚΩ
9kQ
Ο 0.07ΚΩ
IB
40
R
U
В
Vce
Ov
Load
Output
Transcribed Image Text:For the circuit sown, using the transistor values of: ß = 200, Ic = 4mA and lb = 20uA, find the value of the Base resistor (Rb) required to switch the load "ON" when the input terminal voltage exceeds 2.5v. Vcc Flywheel Diode Relay RB Vin + 90kΩ 30ΚΩ 9kQ Ο 0.07ΚΩ IB 40 R U В Vce Ov Load Output
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