Calculate the back emf and efficiency of the motor
An electric motor operating at 200 V draws a current of 5 A at its full speed. The resistance of the amature is 10 Ohm. calculate the back emf and efficiency of the motor ?
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Two speakers are driven by the same oscillator at frequency 420 Hz. One speaker is mounted on the ceiling, and the other on the wall at head level, a horizontal distance of 2 m away.
Determine the total electrical work the heat pump can consume on that day. If the heat pump consumes 6.6kW of power while operating, how long the heat pump ran on that day?
Assume that all the terms in the Drake equation have the values given in the text, except for N and L. (a) If there are 1000 civilizations in the Galaxy today, what must be the average lifetime of a technological civilization? (b) What if there ar
If you collect data at SEVERAL restaurants, mixing both the expensive "gourmet" type and the cheap cafeteria type, the correlation between the amount of food served per person and the price paid for it should be:
Suppose you are marooned on an exotic island where the natives happen to speak English. Their ways are primitive, possessing only their natural habitat for food and supplies.
Derive Euler's equations of motions stating all your assumptions. a) write down the equation in vector form and explain the meaning of each term
What is ductile-to-brittle transition temperature? Describe a method to determine ductile-to-brittle transition temperature ( material science and engineering)
Define the admittance of the circuit in complex fork (exponential and Algeriac notation), active and reactive conductivities . Draw the voltage and current vector diagram .
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Question: Which of the following statistics is true regarding adolescents? A. 1 million people each year get STDs. B. Half of STD infections are among people
Is this correct Elbow, wrist and hand pain complaints. Match the correct disease/disorder with the list of clinical manifestations.
A nurse has attended a continuing education conference about seasonal influenza. Which of the following statements would indicate a correct understanding
Then talk about the prognosis of the ACTUAL CAUSE: DEFINITIVE DIAGNOSIS and sequela if left untreated and why.
Think back to the story "If you give a mouse cookie" from earlier in the semester. What does the story mean to you now as a nursing student?
What questions should the nurse ask next? (Select all that apply.) Can you identify which spicy foods cause a problem?
The patient's vital signs in the office are: T 98.2, BP 118/72, P 76, RR 16. SpO2 is 99% on room air. Her BMI is 27.5.