Physics
karla741
23

What is the total power in a circuit if the resistance is 800 and the voltage is 60 VDC? A. 4.5 W B. 13.33 W C. 120 W D. 48 W User: A circuit contains six 20 resistors connected in series. What is the total circuit resistance? A. 60 B. 3.33 C. 6 D. 120 User: What circuit quantity is measured by connecting a meter's test leads in series with an energized component? A. Voltage B. Current C. Power D. Resistance

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(1) Answers
Llama11

1.)    Power, P  =  V²/R  =  800²/45 =  4.5 W  (A). 2.)  Six Resistors in Series. R = R1 + R2 + R3 + R4 + R5 + R6,    Since R is the same, R = 20 R total = 6*20 = 120 (D) 3.)  It is the current.  Series connection is to evaluate current.  (B)

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