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A coil of inductive reactance 31 Ω has aresistance of 8 Ω. It is placed in series with acondenser of capacitative reactance 25Ω. Thecombination is connected to an a.c. source of110 volt. The power factor of the circuit is[2006]
  • a)
    0.64
  • b)
    0.80
  • c)
    0.33
  • d)
    0.56
Correct answer is option 'B'. Can you explain this answer?
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A coil of inductive reactance 31 Ω has aresistance of 8 Ω....
 
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A coil of inductive reactance 31 Ω has aresistance of 8 Ω....
The inductive reactance of a coil is given by the formula:

XL = 2πfL

Where:
XL = Inductive reactance (in ohms)
f = Frequency of the current (in hertz)
L = Inductance of the coil (in henries)

Given that the inductive reactance is 31 ohms, we can rearrange the formula to solve for the inductance:

L = XL / (2πf)

Assuming we have the frequency value, we can substitute it into the formula along with the inductive reactance to find the inductance of the coil.
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A coil of inductive reactance 31 Ω has aresistance of 8 Ω. It is placed in series with acondenser of capacitative reactance 25Ω. Thecombination is connected to an a.c. source of110 volt. The power factor of the circuit is[2006]a)0.64b)0.80c)0.33d)0.56Correct answer is option 'B'. Can you explain this answer?
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A coil of inductive reactance 31 Ω has aresistance of 8 Ω. It is placed in series with acondenser of capacitative reactance 25Ω. Thecombination is connected to an a.c. source of110 volt. The power factor of the circuit is[2006]a)0.64b)0.80c)0.33d)0.56Correct answer is option 'B'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about A coil of inductive reactance 31 Ω has aresistance of 8 Ω. It is placed in series with acondenser of capacitative reactance 25Ω. Thecombination is connected to an a.c. source of110 volt. The power factor of the circuit is[2006]a)0.64b)0.80c)0.33d)0.56Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A coil of inductive reactance 31 Ω has aresistance of 8 Ω. It is placed in series with acondenser of capacitative reactance 25Ω. Thecombination is connected to an a.c. source of110 volt. The power factor of the circuit is[2006]a)0.64b)0.80c)0.33d)0.56Correct answer is option 'B'. Can you explain this answer?.
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