When unequal resistors are connected in series across an ideal battery,
A) the same power is dissipated in each one.
B) the potential difference across each is the same.
C) the current flowing in each is the same.
D) the equivalent resistance of the circuit is less than that of the smallest resistor.
E) the equivalent resistance of the circuit is equal to the average of all the resistances.
Question 2
Suppose that a car traveling to the east (+x direction) begins to slow down as it approaches a traffic light. Which statement concerning its acceleration must be correct?
A) Its acceleration is in the +x direction.
B) Its acceleration is in the -x direction.
C) Its acceleration is zero.
D) Its acceleration is decreasing in magnitude as the car slows down.
A comparison of the sizes of various chemical and biological structures, and the resolving power of
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