In a series circuit, the ____ of all the voltage drops across all resistors must equal the ____.

a. sum; voltage applied to the circuit
b. product; voltage applied to the circuit
c. sum; current
d. product; current


a. sum; voltage applied to the circuit

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Most types of concrete slabs that are totally supported by the ground beneath them are _____.

a. monotonous b. lithotropic c. dendritic d. monolithic

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All of the following statements are true EXCEPT:

A. engines with computer feedback have a sensor located in the exhaust manifold called an oxygen sensor. B. in a feedback fuel system, the computer acts to make corrective changes to the air-fuel mixture entering the engine's cylinders. C. actuators relay information to the computer about throttle position, air and coolant temperature, airflow, manifold pressure, and barometric pressure, among others. D. feedback carburetors were used on some older cars.

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Convert -100° Fahrenheit to Rankine

A) -100 + 273 = 173°R B) -100 - 273 = -373°R C) -100 - 460 = -560°R D) -100 + 460 = 360°R

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In a parallel circuit, ET = 240 V, R = 30 ?, and XL = 40 ?. What is IT?

A. 3.43 A B. 6 A C. 8.43 A D. 10 A

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