Rc: Esv RE B = 95 V computer
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Assume that we need to drive an LED that requires ILED = 10 mA. All other
values are unchanged. Find the range of collector
resistance RC values that will permit the transistor to
supply the required current.
Given output voltage is 5 V, so BJT is in saturation region
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- Assume the circuit shown in Figure 17-2 has a power factor of 78%, an apparent power of 374.817 VA, and a frequency of 400 Hz. The inductor has an inductance of 0.0382 H. ETITZVA374.817PF78%ERIRRPELILXLVARsLL0.0382HAssume the circuit shown in Figure 21-1 has an apparent power of 432 VA and a true power of 345.6 W. The capacitor has a capacitance of 15.8919 F, and the frequency is 60 Hz. Find the missing values. ET ER EC IT IR IC Z R XC VA432 P345.6W VARSC PF C15.8919FAssume the circuit shown in Figure 17-2 has an apparent power of 144 VA and a true power of 115.2 W. The inductor has an inductance of 0.15915 H, and the frequency is 60 Hz. ETITZVA144PFERIRRP115.2WELILXLVARsLL0.15915H
- In a series RC circuit the voltage across the capacitor and the resistor are 60 volts and 80 volts respectively. The total voltage isa) angle do not have value. b) the angle is 120 degree.Calculate circuit values below. Does the cuicuit change from a lead circuit to a lag circuit as the frequency increases from 500 HZ to 50 Khz?