Series/Parallel Circuits: When unequal resistors are connected in parallel in a circuit,
A. the same current always runs through each resistor.
B. the potential drop is always the same across each resistor.
C. the largest resistance has the largest current through it.
D. the power generated in each resistor is the same.
Answer: B
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A. A 3.00-kg mass is suspended from the ceiling. B. A 2.00-kg mass hanging over a pulley drags a 3.00-kg mass along a frictionless horizontal surface. C. A 3.00-kg mass hanging over a pulley drags a 2.00-kg mass along a frictionless horizontal surface. D. A 3.00-kg mass hanging over a pulley drags a 5.00-kg mass along a frictionless horizontal surface. E. A 5.00-kg mass hanging over a pulley drags a 3.00-kg mass along a frictionless horizontal surface.
If the following generic atom were to undergo ionization, what would the most likely product be?
A) +1 B) -2 C) -3 D) +4 E) would probably not ionize
550 g of water at 105°C are poured into an 855 g aluminum container with an initial temperature of 11°C. The specific heat of aluminum is 900 J/(kg•K)
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A catapult fires an 800-kg rock with an initial velocity of 100 m/s at a 40° angle to the ground. The magnitude of the horizontal impulse the catapult receives from the rock is
a. 5.1 × 10^4 Ns. b. 6.1 × 10^4 Ns. c. 8.0 × 10^4 Ns. d. 5.0 × 10^5 Ns. e. 6.0 × 10^5 Ns.