Voltage Division: For the circuit shown in figure 1 assume Rl = 10 k Ohm, R2 = 2
ID: 1807649 • Letter: V
Question
Voltage Division: For the circuit shown in figure 1 assume Rl = 10 k Ohm, R2 = 20 k Ohm. Ignore the load resistor (R1) for parts (a) and (b). Use voltage division to find V1 and V2. Use the circuit shown directly below. Use the circuit shown directly below for this part. Using KVL, write voltage V in terms of voltages V1, V2 and show that the voltages found in part (a) satisfy this relationship. Loading: For the circuit shown in figure 1 assume R1 = 10 k Ohm, R2 = 10 k Ohm and R- = 100 k Ohm. Find the voltage V2 with and without the load resistor R1. Now, find the voltage V2 if R1 = 1 M Ohm. Describe the effect of load resistance on the voltage V2.Explanation / Answer
a) 10 =V1+V2
10=I1R1+I2R2
10=(10*10^3+20*10^3)I
I=3.33*10^-4 amp
V1=3.33*10^-4*10*10^3=3.33
V2=3.33*10^-4*20*10^3=6.66
b)The algebraic sum of the voltages around a closed loop is zero.
10-I1V1-I2V2=10-3.33-6.66=0
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