Resistor A has twice the resistance of resistor B. When individually connected across a given potential difference, which one dissipates the most power; and when connected in series across the same potential difference, which one dissipates the most power?
a. A, A
c. A, B
b. B, B
d. B, A
Question 2
A hoop, solid sphere, and solid cylinder each have the same mass and same radius.When rolling down the same incline, which has the greatest torque from gravity on it?
a. the hoop
c. the cylinder
b. the sphere
d. They all have the same torque.
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What is the total resistance of the circuit in Figure 1? 150