The prestige and claims of Alfred and his royal line rested on their successful
a. dynastic marriages.
b. conquest of Normandy.
c. resistance to foreign occupation.
d. creation of a vigorous vernacular written tradition.
c. resistance to foreign occupation.
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Which of these ATC output devices provides a feedback signal to the electronic control module (ECM)?
A) Mode air door motor B) Blend door actuator C) Air inlet door vacuum motor D) Blower motor control
Which switching device uses LEDs?
A) Hall effect B) Pickup coil C) Optical sensor D) Magnetic reluctor
To measure the load current flowing in a circuit, an ammeter is ____.
A. connected in parallel with the power source B. connected in parallel with the load C. connected in series with the load D. connected to a de-energized circuit
A real voltage source is modeled in Figure P3.72 as an ideal source VS in series with a resistance RS . This model accounts for internal power losses found in a real voltage source. A load R is connected across the terminals of the model.
VS = 12 V RS = 0.3?
a. Plot the power dissipated in the load as a function of the load resistance. What can you conclude from your plot?
b. Prove, analytically, that your conclusion is valid in all cases.
