Current, Power and Total Power
For the circuit shown in Figure 2.24 (attached file), find: a) The currents i1 and i2. b) The power delivered by the 3-A current source and by the 12-V voltage source. c) The total power dissipated by the circuit. Let R1=25 ohms, R2= 10 ohms, R3= 5 ohms, R4= 7 ohms, and express i1 and i2 as functions of v. (Hint: Apply KCL ...continues
Current Electricity: Kirchhoff and Ohms law, DC circuit
Use Kirchhoff's current law and Ohm's law to determine the current in each of the resistors R4, R5, and R6 in the circuit of Figure 2.31 (see attached file). Vs= 10 V, R1= 20 ohms, R2= 40 ohms, R3= 10 ohms, R4=R5=R6= 15 ohms.
The voltage divider network of Figure 2.37 (attached file) is expected to provide 5 V at the output. The resistors, however, may not be exactly the same; that is, their tolerances are such that the resistances may not be exactly 5 kΩ. a) If the resistors have ± 10 percent tolerance, find the worst-case output voltages. ...continues
For the circuit shown in Figure 2.42 (attached file), find: a) The equivalent resistance seen by the source. b) The current through and the power absorbed by the 90-Ω resistance. Given Vs= 110 V, R1= 90 Ω, R2= 50 Ω, R3= 40 Ω, R4= 20 Ω, R5= 30 Ω, R6= 10 Ω, R7= 60 Ω, R8= 80 Ω.
American Wire Gauge Conductors
At an engineering site which you are supervising, a 1-horsepower motor must be sited a distance d from a portable generator (see Figure 2.44 - attached file). Assume the generator can be modeled as an ideal source with the voltage given. The nameplate on the motor gives the following rated voltages and the corresponding full-loa ...continues
Determine the voltage across R3 in Figure 2.51 (see attached file). Vs = 12 V R1 = 1.7 mΩ R2 = 3 kΩ R3 = 10 kΩ
Voltage Gain in Voltage Divider Circuit
Derive the voltage gain of the voltage divider with two resistors as discussed in Figure 2.1 (see attached file). Predict the output voltage for input voltage of 10V, a fixed R1 resistor of 10 kΩ and a load resistor R2 of 1 kΩ, 2 kΩ, 3.3 kΩ, 4.7 kΩ, 5.6 kΩ, and 10 kΩ. See attached file for f ...continues
Shunt resistance effect in a voltage divider
What is the effect of the DMM input resistance on the measured results? Derive the voltage gain of the divider with a DMM resistance of Rm, which is also called shunt resistance (See Figure 2.3-attached file).
Current gain in current divider
Derive the current gain of the current divider with two resistors as discussed in Figure 2.2 (see attached file). Predict the output current for an input voltage of 10V, a fixed R1 resistor of 10 kΩ and a load resistor R2 of 1 kΩ, 2 kΩ, 3.3 kΩ, 4.7 kΩ, 5.6 kΩ, and 10 kΩ
What is the effect of the multimeter series resistance on the measured results? Derive the current gain of the divider with a multimeter series resistance of Rs. (see attached file)
