If the peak of a sine wave is 13 V, the peak-to-peak value is

Question: If the peak of a sine wave is 13 V, the peak-to-peak value is

[A]. 6.5 V

[B]. 13 V

[C]. 26 V

[D]. none of the above

Answer: Option C

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A sine wave with a period of 4 ms is changing at a faster rate than a sine wave with a period of

Alternating Current And Voltage, Electrical Engineering / admin

Question: A sine wave with a period of 4 ms is changing at a faster rate than a sine wave with a period of

[A].

0.0045 s

[B].

2 ms

[C].

1.5 ms

[D].

3,000 s

Answer: Option A

Explanation:

No answer description available for this question.

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Alternating Current And Voltage, Electrical Engineering

A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of

Alternating Current And Voltage, Electrical Engineering / admin

Question: A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of
[A].

25 kHz

[B].

12 kHz

[C].

18 kHz

[D].

1.3 MHz

Answer: Option B

Explanation:

No answer description available for this question.

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Alternating Current And Voltage, Electrical Engineering

What is the relationship between torque and speed in constant type loads?

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Question:

What is the relationship between torque and speed in constant type loads?

Torque is independent of speed

Torque linearly increases with increase in speed

Torque non-linearly increases with an increase in speed

Torque non-linearly decreases with an increase in speed

Answer» a. Torque is independent of speed

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

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Fan type of loads exhibits which type of load torque characteristics?

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Question:

Fan type of loads exhibits which type of load torque characteristics?

Constant torque characteristics

Linearly rising torque characteristics

Non-Linearly rising torque characteristics

Non-Linearly decreasing torque characteristics

Answer» c. Non-Linearly rising torque characteristics

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

Fan type of loads exhibits which type of load torque characteristics? Read More »

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Regenerative braking mode can be achieved in which quadrant (V-I curve)?

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Question:

Regenerative braking mode can be achieved in which quadrant (V-I curve)?

Third

Second

Fourth

First

Answer» b. Second

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

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Reverse motoring mode is available in fourth quadrant.

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Question:

Reverse motoring mode is available in fourth quadrant.

True

False

none

all

Answer» a. True

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

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Which one is an example of variable loss?

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Question:

Which one is an example of variable loss?

Windage loss

Hysteresis loss

Armature copper loss

Friction loss

Answer» c. Armature copper loss

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

Which one is an example of variable loss? Read More »

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The motor commonly used in computers and digital systems is

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Question:

The motor commonly used in computers and digital systems is

dc shunt motor

Induction motor

Stepper motor

Synchronous motor.

Answer» b. Induction motor

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

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The equilibrium speed of a motor load system is obtained

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Question:

The equilibrium speed of a motor load system is obtained

when motor torque equals the load torque

when motor torque is less than the load torque

when motor torque is more than the load torque

none of the these.

Answer» a. when motor torque equals the load torque

Note:

The above multiple-choice question is for all general and Competitive Exams in India.

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