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Electrical Engineering
Page 9
Questions (467)
Do high voltage overhead transmission lines have a neutral conductor
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Can disconnectors protect or control circuits?
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Three components of a relay
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Give TWO reason why AC voltage is preferred to DC voltage for everyday use
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State the transformer ratio of a single phase transformer
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What do you understand by an ideal transformer
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A three-phase transformer has 2000 turns on the primary side and 400 turns on the secondary side. For a supply voltage of 33kV,
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Difference in construction between a DC motor and a DC generator
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Function of terminal box
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Insulating material used to electrically separate the commutator segments
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One advantage and one disadvantage of a series motor
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Three applications of a shunt motor
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State three applications of a shunt motor
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How the high starting current of a DC motor is limited
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State the detrimental effect of commutation on DC generators
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State where the following are located in a DC machine
a) interposed b) compensating windings
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State where the following are located in a DC machine
a) interpoles b) compensating windings
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What is a Separately excited generator
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A circuit in home privies power..
1 answer
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Help me❤️❤️❤️❤️
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One application of a separately excited generator
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Define self-excited generator
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Give an example of how you use AC power.
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Instrument that is used to conduct the insulation resistance test
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Which of the following inventions increased the availability of electricity in homes?
(1 point) Responses telephone telephone
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The magnetising and core-loss components of the no-load current of a transformer are 4,105A and 1,1A, respectively. Calculate
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Electric ___________ convert electrical energy into mechanical and does work.
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shumi
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A fuse is used to protect electric circuits from too much electricity running through them. How should a fuse be hooked up with
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16 views
Explain noise immunity.
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a model shows a machine that works using electrical fields. what would this machine need for the electrical field to function
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Determine the values of PSC, CCR, and ARR registers to generate the signal below if timer clock is 80 MHz:
T = 100 us w = 70 us
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Determine the values of PSC, CCR, and ARR registers to generate the signal below if timer clock is 80 MHz:
T = 100 us w = 70 us
1 answer
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ADC clock is 10 MHz. ADC sampling time is 12.5 ADC clock cycles. Resolution is 12-bits. Determine conversion time.
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Define what engineering is
Explain how the technology is designed to solve real world problems Determine if a substance is
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A) In one to two sentences, explain the importance of applying Kirchhoff's Junction Rule in circuit design. (2 points)
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Christopher works at the power plant for the southwest part of his home state. For peak operational performance, his department
1 answer
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mikiel
19 views
Determine the audio sampling rate fS if DFSDM clock is 11.29 MHz, DFSDM clock divider value is 4, and the oversampling ratio is
5 answers
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A model shows a machine that works using electrical fields. What would this machine need for the electrical field to function
1 answer
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me
13 views
What three items does a circuit have to have?
Load, device Power source Resistor Switch Wire
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1. Clock signal for timer Tim3 is 80 MHz. Channel 1 of the timer is configured in input capture counter reset mode (rising edge
3 answers
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16 views
3. Clock signal for timer TIM3 is 40 MHz. Channel 1 of the timer is configured in PWM generation mode. The value of Tim3_PSC is
3 answers
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20 views
Why is it dangerous to replace a fuse with a wire that bypasses the fuse
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Timer 3 channel 1 is configured in Input Capture Counter Reset mode. The value of TIM3_CCR1 register is 1000. Determine the
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Find the time constant of an RC circuit with resistance of 50ohms onf conductance of 30micro farad
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6 views
1. Clock signal for timer Tim3 is 80 MHz. Channel 1 of the timer is configured in input capture counter reset mode (rising edge
1 answer
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13 views
Clock signal for timer Tim3 is 80 MHz. Channel 1 of the timer is configured in input capture counter reset mode (rising edge
1 answer
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14 views
An electrician is trying to decide which kind of material to use to wire a house.
carbon steel: conductivity = 1.43 × 10−7,
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5 views
Imagine a string of holiday lights, with many bulbs connected to each other by wires. One bulb burns out, causing the bulbs next
1 answer
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4 views
Which of the following would be considered a load in a circuit?
a lightbulb b battery c switch d wire
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6 views
An electrician is trying to decide which kind of material to use to wire a house.
carbon steel: conductivity = 1.43 × 10−7,
1 answer
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9 views
A student is instructed to design a device that can allow one user to hear the voice of another user at a distance of 5
1 answer
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~[Mocha]~
4 views
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