The actual work accomplished in a circuit is a result of the ____ available at the two ends of a conductor.
A. potential
B. difference of potential
C. electromotive force
D. voltage
Answer: B
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How much apparent power is produced in a circuit by 50 amps at 100 volts with a power factor of 80%?
A) 5000 volt-amps. B) 4000 watts. C) 4000 farads.
PROBLEM 3.37 The aluminum rod BC is bonded to the brass rod AB Knowing that each rod is solid and has a diameter of 12 mm, determine the angle of twist (a) at B, (b) at C.
The following statements are all correct EXCEPT ________
A) Torque always results in movement B) Torque is the measurement of rotational force C) Torque is often expressed in pound-feet D) All of the above answers are correct
Which term describes current flow produced in a complete circuit when a magnetic field is moved back and forth across the circuit path?
A) Magnetic potential B) Electromagnetic reluctance C) Electromagnetic induction D) None of these