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SERIES CIRCUITS

Series Circuits
When a fourth resistor is connected in series with three resistors, the total resistance

increases by one-fourth
decreases
remains the same
increases

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Series Circuits
A string of five series resistors is connected across a 6 V battery. Zero voltage is measured across all resistors except R3. The voltage across R3 is

0 V
1.2 V
6 V
0.6 V

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Series Circuits
A series circuit consists of three resistors with values of 120 , 270 , and 330 . The total resistance is

720
the average of the values
120
less than 120

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Series Circuits
A certain series circuit consists of a 1/8 W resistor, a 1/4 W resistor, and a 1/2 W resistor. The total resistance is 1200 . If each resistor is operating in the circuit at its maximum power dissipation, total current flow is

2.7 mA
190 mA
19 mA
27 mA

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Series Circuits
Which of the following series combinations dissipates the most power when connected across a 120 V source?

four 220 resistors
one 220 resistor
two 220 resistors
three 220 resistors

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