If we were to analyze the magnetic flux lines of a current-carrying conductor, oriented perpendicularly to a magnetic field between two bar magnets, the interaction would look something like this: N N This interaction of magnetic flux lines (the bar magnets' straight lines versus the wire's circles will produce a mechanical force on the wire (called the Lorentz force). Which direction wil this force act? Also, determine the direction of current through the conductor (seen from an end-view i the above illustration) necessary to produce the circular magnetic flux shown.

1-What phrase is used when a substitution is permitted for a specific item? 2-The specifications state that all work shall be done... 3-What phrase is used when a substitution is permitted for a specific item? 4-What is the purpose of an electrical symbol? 5. Where are notations found?

Indicate which of the following statements refer to LCD displays and which refer to LED displays:   a. Emit light   b. Reflect ambient light   c. Are best for low-power applications   d. Require an AC voltage   e. Use a 7-segment arrangement to produce digits   f. Require current-limiting resistors

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- All bands are engaged by:  A. Hydraulic servo B. Mechanical leverage  C. Vacuum modulator D. None of these