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Mutual flux ______ at the lagging loading and it _____ at the leading power factor.
- a)decreases, increases
- b)increases, increases
- c)decreases, decreases
- d)increases, decreases
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Mutual flux ______ at the lagging loading and it _____ at the leading ...
The mutual flux falls when the transformer is working at lagging p.f. and it increases at leading p.f.
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Mutual flux ______ at the lagging loading and it _____ at the leading ...
Explanation:
1. Mutual Flux:
Mutual flux is the magnetic flux that links two or more circuits. In a transformer, mutual flux is the magnetic flux that links both the primary and secondary windings.
2. Lagging Power Factor:
When the load current lags behind the voltage in an AC circuit, it is said to have a lagging power factor. In this case, the current waveform lags the voltage waveform.
3. Leading Power Factor:
Conversely, when the load current leads the voltage in an AC circuit, it is said to have a leading power factor. In this case, the current waveform leads the voltage waveform.
4. Relationship with Mutual Flux:
At a lagging power factor, the mutual flux decreases. This is because the current lags behind the voltage, causing a decrease in the magnetic flux linking the circuits. Conversely, at a leading power factor, the mutual flux increases. This is because the current leads the voltage, resulting in an increase in the magnetic flux linking the circuits.
Therefore, the mutual flux decreases at the lagging loading and increases at the leading power factor.
1. Mutual Flux:
Mutual flux is the magnetic flux that links two or more circuits. In a transformer, mutual flux is the magnetic flux that links both the primary and secondary windings.
2. Lagging Power Factor:
When the load current lags behind the voltage in an AC circuit, it is said to have a lagging power factor. In this case, the current waveform lags the voltage waveform.
3. Leading Power Factor:
Conversely, when the load current leads the voltage in an AC circuit, it is said to have a leading power factor. In this case, the current waveform leads the voltage waveform.
4. Relationship with Mutual Flux:
At a lagging power factor, the mutual flux decreases. This is because the current lags behind the voltage, causing a decrease in the magnetic flux linking the circuits. Conversely, at a leading power factor, the mutual flux increases. This is because the current leads the voltage, resulting in an increase in the magnetic flux linking the circuits.
Therefore, the mutual flux decreases at the lagging loading and increases at the leading power factor.
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Mutual flux ______ at the lagging loading and it _____ at the leading power factor.a)decreases, increasesb)increases, increasesc)decreases, decreasesd)increases, decreasesCorrect answer is option 'A'. Can you explain this answer?
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