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¶ U.S. GOVERNMENT PRINTING OFFICE; 1945 - 618779

**CHAPTER 8 QUIZ**

**THE SERIES CIRCUIT**

1. Work out the answers for each unknown in the practice circuits in the following drawing.

2. Three heating resistances are connected in series. Each has a resistance of 20 ohms

and a current of
10 amperes. What is the voltage drop across (a) each resistance,

(b) the total circuit?

3. What is
the power consumed (a) in each unit, (b) in the total circuit of problem 2?

4. Two 25 watt lamps are
connected in series on a 240 volt line. What is the current

through each lamp?

5. What is the total
voltage drop of four resistors connected in series, if each resistor has

50 ohms resistance and 4 amperes
of current?

Return to Chapter 8

**CHAPTER 8 ANSWERS**

**THE SERIES CIRCUIT**

1. A = I_{1} = 6a., I_{2} = 6a. B:V_{t} = 120 v.
C:R_{t} = 18 ohms. D:R_{t} = 12 ohms, I_{t} = 0.67 a.
2. (a) 200 V., (b) 600 v.3. (a) 2,000 w., (b) 6,000
w.4. 0.21 a.
5. 800 v.