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).
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)
Use loop/mesh analysis to determine the loop currents and also the voltages across the resistors of the circuit as shown in Fig.3.1 (see attached file). Use Matlab to calculate these values. After finding the loop currents using Matlab, calculate the voltages across the resisters by multiplying the loop currents with correspondi ...continues
Use nodal analysis to determine the node voltages and also the branch currents of the circuit as shown in Fig.3.2. Use Matlab to calculate these values. Enter these readings in Table 2 under the 'calculated' column. (Note: Node voltage VA is known, that is, 10 V. So you need to write nodal equations at B and C only for the circu ...continues
Using node voltage analysis in the circuit of Figure P3.6 (see attached file), find the three indicated node voltages. Let I = 0.4 A; R1 = 4000 ohms; R2 = 150 ohms; R3 = 50 ohms; R4= 100 ohms; R5 = 200 ohms; V = 20 volts.
Using mesh current analysis, find the current i in the circuit of Figure P3.19 (attached file).
Find the Thévenin equivalent resistance seen by resistor R3 in the circuit of Figure P3.1 (see attached file). Compute the Thévenin (open-circuit) voltage and the Norton (short-circuit) current when R3 is the load.
Find the Thévenin equivalent resistance seen by resistor R5 in the circuit of Figure P3.6 (see attached file). Compute the Thévenin (open-circuit) voltage and the Norton (short-circuit) current when R5 is the load.
In the circuit shown in Figure P3.52 (attached file), Vs models the voltage produced by the generator in a power plant, and Rs models the losses in the generator, distribution wire, and transformers. Resistances R1, R2, and R3 model the various loads connected by a customer. How much does the voltage across the total load change ...continues
The voltage across a 100-μF capacitor takes the following values. Calculate the expression for the current through the capacitor in each case (see attached file for the different cases).
