During ECG if one electrode of a certain lead fails or fall off the impedance between electrodes decreases O a False O b. True The insolubility of the silver in Ag/AgCl electrode leads to: O a A robust electrode O b. All of these OC A stable electrode
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- For circuit given in Figure 3 use Complete Diode Model and find the voltage across R1 and R2 and total current flowing in this circuit. Given that diode forward resistance is 15 Ohms for D1 and 10 Ohms for D2, also reverse current flowing acrossD2 is 20 micro Amperes. DI Ri 50 2 ww D2 Re100 오 www 10 V R3150 2Figure 1 The diode in the circuit of Figure 2 has a non-linear terminal characteristic shown in figure 3. Given Vs = 0.1 cos wtV volts and V1=2V. then find iD and VD. iD (MA) Vs V1 V2 R1 w 0.1k ww R2 0.1k + VD D iD D2 4 0.5 0.7 VD (V)Given the following circuit in Figure 1, determine whether the Diode is ww 5K2 conducting or not. You need to assume both cases. Firstly, assume that the Diode is ip conducting and do the needed calculations, then assume that it is not conducting and do the A needed calculations. Also, you need to show your drawing on how the circuit is changed in 10 K 2 1000 2 both cases. 20 V Vin The first assumption with needed calculations 15 V The second assumption with needed calculations The drawing in both cases
- For the circuit below, assume the diodes operate with a constant voltage drop of .7V, find Vx, Vy, VD4 and ID2. 15V 15V Allt V1 V2 R1 1k IDC 1mA Vx R2 2k ww D1N4002 Vy D1N4002 7D1 D1N4002 D2 D3 R3 1k D4 D1N4002* Find the current through the diode in the circuit shown. Assume the diode to be ideal. 50 92 A R₁ V= 10 V = O 185 mA O 46 mA O 140 mA O 28 MA wwww 5023 R₂ B DState the operating voltage for Si diode and GaAs diode. Determine V., and the current across 4.7 ka resistor for the network in Figure 5 below. 12 V Si GaAs 4.7 k2 Figure 5
- Determine the voltage across the silicon diode assuming the complete diode model. Write the answer in terms of V and in four decimal places. r'd 10 ohms r'R = 100 Mohms R1 R2 13 5kQ 5kQ V1 D1 V2 20V 40V 0.iii For the circuit shown in Figure C9, Calculate the following iv Current through the Silicon diode (I,.). Current through the Resistor R, (I). Current through the diode D4(I). Voltage at points V, and V. Ig D1 D2 Si Si R1 1.3KQ $2.7KQ R2 3KQ 15V Ge Ge Figure C9D. , D2 A R2 200 Q 100HZ C1 R1 R3 D4 D3 8 µF 2 kQ 3 kQ D Answer the following questions, since the minimum voltage value to transmit the zener diode in the figure given above is 9V and the power of this Zener diode is 0.3 watts. a) Enter the name of the circuit in the figure. b) What are the diodes/diodes in positive half-loop transmission?