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.