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Electrical Engineering
Page 7
Questions (467)
what is a current loop
2 answers
asked by
vera
514 views
A stepping motor with 200 steps angles ( = 200) is coupled to a leadscrew through a gear reduction of 5:1 (five rotations of the
2 answers
asked by
520 views
a 230v/30v with 50Hz transformer that has a primary current of 0.6A which supplys number of 30v and 30 watts halogen light bulb.
2 answers
asked by
Mike
526 views
You have been assigned to interface different sensors (displacement, vibration, pressure,
temperature) to the ADuC847. More
1 answer
asked by
sean
516 views
what is the role of a commutator in a DC motor?
3 answers
asked by
Liz
509 views
Three conducting straight wires (though insulated from each other) are each 2 m long. They are electrically connected to each
2 answers
asked by
P
525 views
what is the main difference between a generator and a motor?
1 answer
asked by
nemo
31 views
How could you repair an electric fan that is not working properly? Apply Scientific Method.
3 answers
asked by
Gela
503 views
a 230v/30v with 50Hz transformer that has a primary current of 0.6A which supplys number of 30v and 30 watts halogen light bulb.
2 answers
asked by
mike
514 views
If you were creating a lamp by hand what type of material would you chose for the wiring and what material would you chose to
3 answers
asked by
Annie
503 views
An AC generator delivers an alternating current
I(t) = (3.4 A) sin[(140π rad/s)t] to a single resistor in series with the
3 answers
asked by
AAA
523 views
i need to make a working model on the applications of electric generator
1 answer
asked by
soni
490 views
Whatis the meaning of bulb rated 10w~220v?
2 answers
asked by
sonika
505 views
An electric fence displays a warning sign about the voltage and amperage of the fence. How would amperage and voltage affect the
2 answers
asked by
Annie
506 views
Using 3 - 4 complete sentences, explain the role of both types of transformers in getting electric energy from an electric power
2 answers
asked by
Alisia
495 views
Design an AC circuit with R, L, and C components so that it can achieve output voltage in a given load to be doubled in
3 answers
asked by
Jane
498 views
Your younger brother and you are putting up christmas lights, he broke one of the bulbs causing all of the lights to go out.
3 answers
asked by
Phill
500 views
What is the difference between a step-up and a step-down transformer? Give examples where each would be used.
3 answers
asked by
Anonymous
463 views
Hi, I need to to the following exercise:
Estimate the measured rise time when connecting a 10kHz square signal, with an output
3 answers
asked by
Arnau EC
462 views
Hospitals contain backup generators in case of power failure. A hospital has two backup generators each of
which has a 2%
1 answer
asked by
Anonymous
466 views
In an electric motor, HOW does the magnetic field FLIP?
1 answer
asked by
Jae Hyun Cha
446 views
In commercial/industrial life, most AC apparatus (e.g. lifts, lights, machinery, air conditioning, motors and so on) take more
1 answer
asked by
azad
431 views
At its normal operating speed, an electric fan motor draws only 10.9% of the current it draws when it just begins to turn the
1 answer
asked by
PLEASE HELP
464 views
The generator at power plant produce a voltage of 25000V for long distance transmission on overhead power lines. This is stepped
1 answer
asked by
GILBERT REVOCATUS KIHALI
44 views
In an electric circuit, which of these is the load? (1 point)
• on-off switch • battery • fan • wiring
1 answer
asked anonymously
56 views
how a bridge operates as a full wave rectifier
1 answer
asked anonymously
34 views
Discuss the advantages and disadvantages of digital electronics
1 answer
asked anonymously
34 views
Assume a power bank of heating resistors is rated at 40KW and is connected to a 240V supply. The resistors operate for more that
1 answer
asked anonymously
31 views
Six 8 AWG copper conductors with THW insulation are to be run in a conduit. The conduit is used in an area that has an ambient
1 answer
asked anonymously
33 views
There are six current-carrying conductors in a raceway that is to be installed in an area with an ambient temperature of 90°F.
1 answer
asked anonymously
28 views
What is the maximum ampacity of a 3/0 AWG copper-clad conductor with XHHW-2 insulation if the conductor is to be used in an area
1 answer
asked anonymously
29 views
In the National Electrical Code®, the current carrying abilities of conductors are called the
1 answer
asked anonymously
28 views
An electric oven is located in an area with ambient temperature of 90 degrees F. The oven contains a 27KW heating element and
1 answer
asked anonymously
21 views
When using the America Wire Gauge as the gauge number increase, the wire size?
1 answer
asked anonymously
19 views
What is the maximum ampacity of a 8 AWG copper conductor, with TW insulation, to be used in an area with an ambient temperature
1 answer
asked anonymously
21 views
A three-phase motor located 300 Ft from the power source. The conductors supplying power to the motor is 3/0 AWG copper. The
1 answer
asked anonymously
29 views
In 3–5 sentences, explain why electrical wires are often constructed from metal coated with rubber, and how that is similar to
1 answer
asked anonymously
21 views
11 it converts the electrical energy ti mechanical energy and rotate the crank shaft with a minimum cranking speed
A start motor
1 answer
asked by
Birhanu
22 views
Jasmine wants electrical current to be able to pass through a certain switch on a circuit board that she is designing. What
1 answer
asked anonymously
27 views
AC current is transmitted through a combination of two step-down transformers. the original potential difference is 1200V, there
1 answer
asked anonymously
25 views
Which of these allowed the technological advance
from analog meters to DC motors? * 1 point Looped Wires Split Ring Commutators
1 answer
asked anonymously
13 views
What device uses mechanical energy to produce electrical energy?A. Solar cell b. Magnet.C. Generator.D. Electric motor.
1 answer
asked anonymously
50 views
how many amps should you charge a 4s battery with 3300 mah?
1 answer
asked anonymously
11 views
how does a dam power a toaster
1 answer
asked anonymously
7 views
1.The reference voltage for a 12-bit DAC is 3.0V. Determine DAC output voltage if the specified
digital code is converted and the
1 answer
asked anonymously
24 views
1. Variable unit16_t dac_value = 0x0800 is written by software to DAC channel used in 12-bit right-aligned mode. DAC reference
2 answers
asked anonymously
33 views
What is the function of the generator in the manufacturing of electricity
1 answer
asked anonymously
8 views
When doing voltage drop calculations for motor loads, is to use the actual current of the motor without including the ____
1 answer
asked anonymously
34 views
Twelve 14 AWG copper conductors with type RHW insulation are to be installed in a conduit in an area with an ambient temperature
1 answer
asked anonymously
22 views
A voltmeter and frequency meter connected across the supply of a circuit give :220 v and 50 Hz .determine the mathematical
1 answer
asked by
Mmakwati
29 views
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