A conductor consists of a circular loop of radius R 13.0 cm and two long, straight sections as shown in the figure below. The wire lies in the plane of the screen and carries a current I = 3.40 A. Find the magnetic field at the center of the loop. magnitude HT direction out of the page X R

QUESTION 5 We would like to run the power wires for both cooling pumps in the same RMC from the Breaker panel to a junction box above the control panel. What size ungrounded conductors do we need for the 100 amp load? All conductors have typeTHHN insulation. A #6 AWG    B #3 AWG    C #4 AWG    D #1 AWG

Write the methods of Neutral Grounding.

Which of the following distribution systems would you select for a medical research campus? A) Primary selective system. C) Secondary loop system. B) Distributed radial system. D) Primary and secondary loop system. Authoritative rules for electrical design and installation are contained in which of the following 7) documents? A) ASHRAE Handbook of Fundamentals. B) NFPA 101. C) NEC. The illumination from a point source 4 ft. above a surface is 100 foot-candles, and the surface is normal to the source. What will be the illumination level if the surface is tilted 45°? A) 50 foot-candles. B) 100 foot-candles. C) 71 foot-candles. Which of the following lamp types is generally the most energy efficient? A) Incandescent. C) High intensity discharge. B) LED. D) Fluorescent.

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According to the following specifications, a single solar 295-watt solar panel has maximum power operation voltage at 24 volts. What is the maximum number of solar panels that can be used in a single string? a. 35 solar panels. b. 30 solar panels. c. 25 solar panels. d. 40 solar panels. e. 20 solar panels.