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Author Question: Three resistors, each of different value, are used in a circuit with a power source supplying 12 ... (Read 34 times)

SAVANNAHHOOPER23

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Three resistors, each of different value, are used in a circuit with a power source supplying 12 volts. For which of the following resistor combinations is the total power supplied the greatest?
 a. This cannot be found until it is known which resistor is in series with the parallel pair.
  b. all three resistors in series
  c. two of the resistors in parallel with the third resistor in series with the parallel pair
  d. all three resistors in parallel

Question 2

A turntable has a moment of inertia of 3.0  10-2 kgm2 and spins freely on a frictionless bearing at 25 rev/min. A 0.60-kg ball of putty is dropped vertically on the turntable and sticks at a point 0.10 m from the center. By what factor does the kinetic energy of the system change after the putty is dropped onto the turntable?
 a. 0.91
  c. 0.83
  b. 1.0
  d. 1.5



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SomethingSomething

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Answer to Question 1

D

Answer to Question 2

C





 

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