A current reading is obtained by properly placing an ammeter in a circuit consisting of one resistor and one battery. As a result,
A)
the voltage drop across the resistor increases.
B)
the current flowing in the circuit increases.
C)
the current flowing in the circuit decreases.
D)
the current flowing in the circuit does not change.
C
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A 2 500-kg car is moving at 2.30 m/s. How fast must a 1.5-kg toy car be moving so that the two have the same kinetic energy?
a. 61.9 m/s b. 3.97 m/s c. 93.9 m/s d. 6 610 m/s
Any object that is warmer than its surroundings will
A) absorb heat. B) emit radiation. C) reflect heat. D) become denser.
When the Moon is totally eclipsed, the Moon is illuminated by some sunlight reflected by Earth's atmosphere
a. True b. False Indicate whether the statement is true or false
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Indicate whether the statement is true or false