Q2) For the circuit below, determine the magnitude of feedback resistor that maintain v, 0.48 sin wt, and explain the range of frequency can use with this circuit to ensure output signal without distortion. Op-amp slew rate is SR=D 0.5 v/us. %3D 10 k 0.02 V

What is the lighting and receptacle demand load for an  1000 sq. m office space with one hundred ten, 15 A, 250 V receptacles. [Office General Lighting Receptacle]

Which of the following statements about equipment grounding conductors (EGCS) is true? A. The National Electrical Code permits the EGC to also perform as a grounding electrode conductor. B. More than one EGC must be used if multiple circuits are installed in a single raceway, cable, or cable tray. C. No current should be present in the EGC during normal operation. D. EGCs are required to be decreased in size to address voltage drop.

8) In Staircase ramp type digital voltmeter contains DC amplifier with a fixed gain of ___________. 1 1000 100 10

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Refer to the National Electrical Code® or the working drawings when necessary. Where applicable, responses should be written in complete sentences. For problems 1 and 2, six luminaires, similar to Style E used in the Commercial Building, are to be installed in a room that is 12 ft x 18 ft (~3.7 m x ~5.5 m) with a 9 ft (2.8 m) floor-to-ceiling height. The spacing ratio for the luminaire is 1:0. 1. The maximum distance that the luminaires can be separated and achieve uniform illuminance is ft ( m). For problems 2-5, two luminaires, 8 ft (2.5 m) and 4 ft (1.2 m) in length with dimensions as shown in Figure 15-7, are to be installed in tandem (end to end). The end of the long luminaire is to be 2 ft (600 mm) from the wall. 2. The center of the outlet box should be roughed in at ft ( m) from the wall. 3. The first support should be installed at the wall. ft ( m) from 4. The second support should be installed at from the wall. ft ( m) 5. The final support should be installed at the wall. ft…

Assuming all terminals are rated 75°C and you have a  #10 AWG THHN/THWN conductors in a conduit and the conduit is run on the roof off a office building where the ambient temperature never rises above 30°C the largest size circuit breaker or fuse permitted to protect these wires is:?

17- The electromechanical breakdown depend on the type of the dielectric between two electrodes a- Right. b- Wrong 18- Basic Insulation Level (BIL) is related to the design consideration of the electric device, while Basic protection (BPL) level is related to protection level of the that device. a Right. Wrong. b- 19- As the voltage regulation increased, receiving end voltage will be reduced. Right. b- Wrong 20- We can be using Solar power generation field as a power factor and voltage profile enhancement in Distribution system. (aRight. b- Wrong. 21- From the general electrostatic theories, the field strength at breakdown is given by: a Eb = V/ do =0.6 [Y/ (€ o Er) ] 0.5. b- Eb V/ do = 0.6 [Y / (€ 0/Er )] 0.5. C- Eb V/ do = 0.6 [ Y/(Eo Er) 20.05. d- Eb V/ do = 0.6 [ Y/ (Eo Er) 10.5. 22- Consider plane electrodes with a solid insulator between them. Find the electric field strength at breakdown, if Young's modulus = 10000 (V.F/m2). and the relative permittivity is (36000 TT). If the…

Can I use a distribution box on every floor to distribute telephone lines to their designated outlets?

The only way to reach any of the levels where ABC Company is located in a building with ten stories is to use the elevator. In addition, those on the ninth and tenth levels need to connect to a group of servers located on the eighth. Describe the best wiring for the lift shaft. Pick the best option if there is more than one and justify your decision. If you think that interfloor connections may need to operate at substantially greater rates in the future, you may want to reconsider your current option. What is the optimum media for unbounded data transfer requirements? Justify your response.