Describe the magnetic effects of current, Electrical Engineering

1.   Describe the magnetic effects of current? (to achieve a pass grade, describe the magnetic effect of current)

2.   Complete the diagram to show the direction of motion of the conductor: (to achieve a pass grade, use left hand rule to identify current, field, force directions)

 

401_megnatic field.png

3.   Explain how relay work? : (to achieve a pass grade, explain operation of relays)

4.   Explain how AC is generated? : (to achieve a pass grade, explain generation of AC)

5.   Complete the diagram to show the missing angles:  (to achieve a pass grade, identify features of sine waves (angles))

2391_sine waves.png

6.   Calculate the unknown in the following table: (to achieve a pass grade, convert between peak and RMS values for voltage and current)

7.   Calculate the unknown in the following table: (to achieve a pass grade, convert between peak and RMS values for voltage and current)

8.   A circuit has a voltage of 15V and a current of 2A. the phase angle is 45 degree. Calculate the true power of the circuit? (to achieve a pass grade, calculate apparent and true power)

9.   Calculate the apparent power for the circuit in (to achieve a pass grade, calculate apparent and true power)

Posted Date: 3/5/2013 6:36:23 AM | Location : United States







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