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Considering a human handed control system for the dc motor speed control, if the resistance wire cut out too slowly, then
- a)starting resistance would burn
- b)field winding would burn
- c)speed will rise steeply
- d)any of the mentioned
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Considering a human handed control system for the dc motor speed contr...
Due to the slow cut off the resistance the current will be high for a large amount of time and it will cause the machine to burn.
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Considering a human handed control system for the dc motor speed contr...
Explanation:
When considering a human handed control system for the DC motor speed control, the resistance wire is an important component. The resistance wire is used to control the speed of the motor by varying the resistance in the circuit. However, if the resistance wire is cut out too slowly, it can lead to certain consequences.
Effects of Slow Resistance Wire Cut Out:
- Starting Resistance Burn: If the resistance wire is cut out too slowly, it means that the resistance in the circuit is not being reduced quickly enough. This can result in excessive current flowing through the starting resistance. As a result, the starting resistance can overheat and burn out. This can lead to a loss of control over the motor speed and can cause damage to the motor and other components in the circuit.
Other Options:
The other options mentioned in the question, namely the field winding burning and the speed rising steeply, are not the direct consequences of a slow resistance wire cut out.
- Field Winding Burn: The field winding is responsible for producing the magnetic field in the motor. It is not directly affected by the resistance wire cut out. Therefore, option 'b' is not the correct answer.
- Speed Rising Steeply: The speed of the motor is controlled by the resistance in the circuit. If the resistance wire is cut out slowly, it means that the resistance is not being reduced quickly enough. This would result in a decrease in the resistance and an increase in the current flowing through the motor. As a result, the speed of the motor would decrease rather than rise steeply. Therefore, option 'c' is not the correct answer.
Conclusion:
In conclusion, when the resistance wire is cut out too slowly in a human handed control system for DC motor speed control, the starting resistance can burn out. Therefore, the correct answer is option 'A'.
When considering a human handed control system for the DC motor speed control, the resistance wire is an important component. The resistance wire is used to control the speed of the motor by varying the resistance in the circuit. However, if the resistance wire is cut out too slowly, it can lead to certain consequences.
Effects of Slow Resistance Wire Cut Out:
- Starting Resistance Burn: If the resistance wire is cut out too slowly, it means that the resistance in the circuit is not being reduced quickly enough. This can result in excessive current flowing through the starting resistance. As a result, the starting resistance can overheat and burn out. This can lead to a loss of control over the motor speed and can cause damage to the motor and other components in the circuit.
Other Options:
The other options mentioned in the question, namely the field winding burning and the speed rising steeply, are not the direct consequences of a slow resistance wire cut out.
- Field Winding Burn: The field winding is responsible for producing the magnetic field in the motor. It is not directly affected by the resistance wire cut out. Therefore, option 'b' is not the correct answer.
- Speed Rising Steeply: The speed of the motor is controlled by the resistance in the circuit. If the resistance wire is cut out slowly, it means that the resistance is not being reduced quickly enough. This would result in a decrease in the resistance and an increase in the current flowing through the motor. As a result, the speed of the motor would decrease rather than rise steeply. Therefore, option 'c' is not the correct answer.
Conclusion:
In conclusion, when the resistance wire is cut out too slowly in a human handed control system for DC motor speed control, the starting resistance can burn out. Therefore, the correct answer is option 'A'.
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Considering a human handed control system for the dc motor speed control, if the resistance wire cut out too slowly, thena)starting resistance would burnb)field winding would burnc)speed will rise steeplyd)any of the mentionedCorrect answer is option 'A'. Can you explain this answer?
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