Series Parallel
If the current is 12 mA in Figure 6-3, what is the value of VEB?
**-360 V
If all of the resistors in Figure 6-2 are 4.7 kΩ, what is the value of RT?
**12.53 kΩ
If Vs = 20 V, R1 = 10 kΩ, R2 = 50 kΩ and R3 = 15 kΩ in Figure 6-1, PR2 equals __________.
**2.29 mW
If VR3 = 17 V in Figure 6-3, what is the value of P1?
**28.9 mW
If VR4 = 10 V in Figure 6-3, what is the value of VAD?
**30 V
What is the resistance between points B and E in Figure 6-3?
**30 kΩ
If R1 = 4.7 kΩ, R2 = 3.3 kΩ and R3 = 1 kΩ in Figure 6-1, the total resistance equals __________.
**5467 Ω
If R1 = 50 kΩ, R2 = 10 kΩ, R3 = 10 kΩ, R4 = 50 kΩ and R5 = 10 kΩ in Figure 6-2, what is the value of RT?
**68.57 kΩ
In solving series-parallel circuits using Ohm's law, first solve for:
**RT.
If a 10 kΩ resistor is placed in parallel with R4 in Figure 6-3, how will VR4 change?
**VR4 will decrease.
In the series portion of series-parallel circuits, the total resistance is:
**greater than the largest resistance.
In the parallel portion of series-parallel circuits, the total resistance is:
**less than the smallest resistance.
In Figure 6-1, R₅ is connected in __________.
**none of the above
In Figure 6-2, R3 and R4 are connected in __________.
**series with each other
In Figure 6-2, R3 and R4 are connected in __________.
**series with each other and in parallel with R5
Two series 1 kΩ resistors are connected in parallel with a 2.2 kΩ resistor. If the voltage across one of the 1 kΩ resistors is 6 V, what is the voltage across the 2.2 kΩ resistor?
12 V
If two resistors are in parallel, they carry the same current.
False
R1 is in series with R3 in Figure 6-1.
False
If two resistors are in parallel, they drop the same voltage.
True
R1 is in series with the parallel combination R2 and R3 in Figure 6-1.
True
R2 is in parallel with R3 in Figure 6-1.
True
The difference between a balanced and an unbalanced Wheatstone bridge is measured by:
a galvanometer.
Power in a series-parallel resistor circuit is dissipated as:
heat.
One Ohm's law formula PT = P1 + P2 + etc. can be used to solve for total power in:
parallel circuits. series circuits. series-parallel circuits. **all of these.