Series and Parallel Circuits

Calculate the unknown resistance, A 15-Ω, a 27-Ω, and an unknown resistor are connected in series, yielding an equivalent resistance of 54 Ω. (no units required)

12

Calculate the total potential rise across three 6.0-V batteries that are connected in series (include units, no space between answer and units)

18V

For the circuit shown in Figure 13, find the current through and the potential drop across each resistor. (write answer as follows I1=answerA ; I2=answerA ; I3=answerA ; V1=answerV ; V2=answerV ; V3=answerV)

I1=0.5A ; I2=0.3A ; I3=0.2A ; V1=3V ; V2=6V ; V3=6V

For the circuit shown in Figure 16, find both the current through and the potential drop across each resistor. (write answer as follows I1=answerA ; I2=answerA ; I3=answerA ; I4=answerA ; V1=answerV ; V2=answerV ; V3=answerV ; V4=answerV)

I1=0.6A ; I2=1.8A ; I3=0.6A ; I4=3A ; V1=36V ; V2=36V ; V3=36V ; V4=84V

Calculate the potential rise of the source in Figure 15.

42V

Calculate the equivalent resistance when the following resistors are connected in parallel: 15 Ω, 60 Ω, 60 Ω (no units required)

10

Calculate the equivalent resistance when the following resistors are connected in parallel: 30 Ω, 30 Ω, 30 Ω (no units required)

10

Calculate the unknown resistance,, Two identical bulbs of unknown resistance are connected in series with a 21-Ω heater and a 22-Ω heater, producing an equivalent resistance of 99 Ω. (no units required)

28

Calculate the equivalent resistance when the following resistors are connected in parallel: 8 Ω, 8 Ω (no units required)

4

Calculate the equivalent resistance when 100 Ω , 200 Ω and 600 Ω are connected in series (no units)

60

Calculate the total potential rise across three 6.0-V batteries that are connected in parallel. (include units, no space between answer and units)

6V

Calculate the total current in the circuit in Figure 14. (include units, no space between answer and units)

9.4A

Calculate the equivalent resistance when 100 Ω , 200 Ω and 600 Ω are connected in series (no units)

900

Calculate the equivalent resistance, A 22-Ω, a 25-Ω, and a 47-Ω resistor are connected in series. (no units required)

94

Calculate the equivalent resistance, Two 28-Ω light bulbs and two 21-Ω heaters are connected in series. (no units required)

98