6. In the circuit below, R, = 2.6 N, R, = 4.0 Q, R, = 2.0 N, R, = 4.0 Q, and V, =15 V R, R, Source R, a) Calculate the total resistance. b) Calculate the voltage drop across R,.
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- Which of the following statements are correct for the circuit below? Thanks to the capacitors I – C1 and C2, the voltage gain of the circuit increases. II – Capacitors C1 and C2 are coupling capacitors and provide an isolation function between AC and DC voltages in the circuit. Thanks to the III – RE resistor, the voltage gain of the circuit increases. Thanks to the IV – RE resistor, the stability of the circuit increases. The V – C3 Capacitor is a bypass capacitor and prevents the loss of voltage gain. Capacitor VI – C3 is a coupling capacitor and has no effect on the voltage gain in the circuit. VII – As the value of the source internal resistance Rs increases, the voltage gain decreases. VIII – The voltage gain decreases as the value of any RL load to be added to the circuit increases150 100 + VA- a -4V AVA -7V 81. B b Figure 2 shows a simplified model of a gas-discharge lamp. One characteristic of these lamps is that they exhibit negative resistance; in other words, as current increases the voltage drops further, making such lamps inherently unstable. As such, a current-limiting ballast is required. For the connection shown in the figure: 1. Find the equivalent Thevenin circuit of the lamp. 2. Find the ballast resistance needed to limit the current drawn from a 24-volt source to 6 amperes.Using IC that is approximately equal to IE. Determine the value of R1in ohms, when VCC=20V, RC=1237 ohms, RE=261 ohms, VC=8 V and R2=6457ohm
- Circuits IShow you solution pleaseConsider the following two diagrams of series circuits. For each diagram, use arrows to indicate the direction of the conventional current. Then, make comparisons of the voltage and the current at the designated points for each diagram. Diagram A Diagram B B B C VA. VG (>6, 0r=) VA. VF (>, or=) VC VB. VC (>, or=) VB (>, or=) VB VF VD. VF (>, 0r=) (>, or=) IA IG (>, or=) IA IF (>, or=)Example:- For the following cct., 12=2 mA. Calculate :- a) All the remaining currents in all resistors. b) Supply voltage ET. c) Voltage Vab. HW R6-2,5K N c R4-15 KN RI SKN R3-20 KS e R2 20KN R5-1K N b
- 1. Using Series-Parallel concept, Find the following for the given circuit. The value of the power supply and resistances are given in Page-4. a) the current supplied by the source b) the voltage drops across each resistor c) the r dissipated by R3 R1=45kn R2=2kn R3=22kQ R4=14kn R5=17kn R6=85kn V1=24 v R₁ R₂ V₁ R₂ R₂ R₂Consider the following two diagrams of series circuits. For each diagram, use arrows to indicate the direction of the conventional current. Then, make comparisons of the voltage and the current at the designated points for each diagram. Diagram A Diagram B B B G F D VA. VG (>, or=) VF VA. (>x, or=) VC VB. (>, 0r=) VC VB. (>, 0r=) VB. VF VD. VF (>, 0z=) (>, or=) IA IG (>, 0r=) IF IA (>, or=)is made from a combination of A mixed resistors circuit as shown in Figure parallel and series circuits. The values of the resistances mentioned in the circuit are in Ohm (2) and the supply voltage is in Volt (V). Determine the: (i) Current through the circuit (I). (ii) Voltage drop (V) across the circuit. 0.6 0 4 0 0.5 0
- For the circuit of shown in Figure, find the following quantities: a. The circuit current, I. b. The total resistance of the circuit, RT. c. The value of the unknown resistance, R. d. The voltage drop across all resistors in the circuit. 3 k0 4 ka +E-130 V P-100 mW1 ka RIn the circuit in the figure, the primary current is read as 3.603mA. Two windings were used as secondary and conversion rates are given below. Accordingly, the value shown by the I2 ammeter connected to the secondary find?6. Using the Millman's theorem, draw the equivalent single voltage source and equivalent resistance of circuit shown below and what is the load current? 150 100 50 2001 R1 = 50 30V 10V. -20V– 5V Y