Q1. (3 marks) In the circuit shown below, R-1.5KO and the voltage drop across Ri is...
1 The resistors Ri and R2 form a circuit called a "voltage divider Ground:V- For this circuit: a. What is the equivalent resist ance of the combination Ri and R2? b. What is the current in the circuit? c. What is the voltage drop across the resistor Ri? d. What is the voltage at the point A? e. What choice of Ri and R2 would give a voltage at point A equal to 6 volts?
In the circuit below, the voltage drop across the upper resistor is 4.5V. What is the battery voltage? 30 Ω w + 50 Ω
0 40 V The no-load voltage across R2 in the voltage-divider circuit shown is shown is vo.no_load 8 V The smallest load resistor that is ever connected to the divider is RL,smallest 3.6 k Ω (kilo Ohm) When the voltage divider is loaded by RLsmallest, VO is not to drop below 7.5 V A) Assume the power ratings of commercially available resistors are 1/16, 1/8, 1/4, 1, and 2 W What power rating would you specify? PR1,rating Watt PR2.rating =...
For the type of circuit shown below determine the voltage across the output VaR and the power dissipated for 3 pairs of R-R resistors (as shown in the figure). R R} RE
3. Examine the figures below and answer the following questions. If the circuit in Figure-b is equivalent to the circuit in Figure-a then a) What is the value of R (in Figure-b) b) What is the value of the current c) What is the value of the current d) What is the value of the current l What is the power dissipated in R What is the power dissipated in R? g) What is the power delivered by the battery?...
Calculate the (a) current flowing in the circuit below and (b) voltage drop across the resistor Ron the right. The temperature is 600K. The battery voltage is 5 V. The resistance R-1 Giga Ohm. The equation for current through the diode is 1" 18 9 (exp/Vd/(2*VT)) - 1) Amperes. Vd is the voltage drop across the diode and VT is thermal voltage. Do not forget that this is diode with 2 as shown in the equation above. (1 Giga -...
2. The voltage across the 22.522 resistor in the circuit below is 90 V, positive at the upper terminal A 90 V 222.5 1 240 V 512 20.02 mise (a) Find the power dissipated in each resistor (b) Find the power delivered by the voltage source.
Question 3: a) Calculate the no-load voltage v, for the voltage divider circuit shown. b) Calculate the power dissipated in R and R2 c) Assume that only 0.5 W resistors are available. The no-load voltage is to be the same as in R, 31.7K! (a).Specify the smallest ohmic values of RII and R2 160 V R. 23.3k!!
b) For the circuit shown in Figure Q1(b) below, the voltage source is 18 V. Determine Vo, Voz and /. [CO2/PO3/C4] (10 marks) Vo1 0.47 k 1 ka Vo2 Si 18 V Si Figure Q1(b) For the circuit shown in Figure Q1(b) below, the voltage source is 18 V. Determine b) Vot, Voz and / [CO2/PO3/C4] (10 marks) Vof 1 ka 0.47 kn Vo2 ZSI 18 V Figure Q1(b) ) Figure Q1(c) shows a basic voltage regulator circuit. Determine Vi,...
Calculate the current flowing in the circuit below. The temperature is 300K. The battery voltage is 5 V. The resistance R-1000 Ohms. The equation for current through the diode isi 10 9 [op{VANT) - 11 Amperes. Vd is the voltage drop across the diode and Vt is thermal voltage 1) Calculate the current flowing in the circuit below. The temperature is 300K. The battery voltage 15V. The resistance R-2000 Ohms. The equation for current through the diode is 19 (exp/Vd/T)...