In an inductive AC circuit, when the applied voltage is at its maximum negative value, the current is _____.
a. zero
b. increasing toward maximum positive
c. at the maximum negative value
d. at the maximum positive value
a. zero
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Richard Nixon's policy of détente
A. was designed to improve relations between the Soviet Union and China. B. increased diplomatic tensions with the Soviet Union, but relaxed diplomatic tensions with China. C. was a failure. D. found support in the Democratic party but not the Republican party. E. ushered in an era of relaxed tensions between the United States and the two leading communist powers, China and the Soviet Union.
What is the difference between the way a self-threading and a self-drilling sheet-metal screw is used?
A) Self-threading screws can only be installed with a counterclockwise rotation. B) Self-threading screws must have a pilot hole. C) Self-drilling screws can only be installed with a counterclockwise rotation. D) Self-drilling screws must have a pilot hole.
The most common heating fuel in the United States is _____
A) gas B) fuel oil C) electricity D) coal
What law states that the force of electrostatic attraction or repulsion is directly proportional to the product of the two charges and inversely proportional to the square of the distance between them?
A. Ampere's Law B. Coulomb's Law C. Ohm's Law D. Volt's Law