An alternating current of 60 hertz changes direction 100 times per second.
Answer the following statement true (T) or false (F)
False
Rationale: An alternating current of 60 hertz changes direction 120 times per second.
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Answer the following statements true (T) or false (F)
1. A job description that lacks a clear and detailed definition of job responsibilities may cause a highly qualified employee to under perform. 2. If you asked the supervisor and the employee what the job responsibilities of an individual position are, the answers should be similar. 3. It may be considered discrimination against women if the job description requires that all applicants must be able to lift 75 pounds if this is not really a job requirement. 4. Having an employee describe what his or her job is can often be difficult for the employee to do.
The arrival times of vehicles at the ticket gate of a sports stadium may be assumed to be Poisson with a mean of 30 veh/hr. It takes an average of 1.5 min for the necessary tickets to be bought for occupants of each car. (a) What is the expected length of queue at the ticket gate, not including the vehicle being served? (b) What is the probability that there are no more than 5 cars at the gate, including the vehicle being served? (c) What will be the average waiting time of a vehicle?
What will be an ideal response?
The sum of two numbers is 13. Five times one number is equal to eight times the other number. Find the two numbers.
Fill in the blank(s) with the appropriate word(s).
The switch in the circuit of Fig. 8.88 is moved from position a to b at t = 0. Assume that the voltage across the capacitor is equal to zero at t = 0 and that the switch is a make before break switch. Determine i(t) for t > 0.
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