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The number of turns in a long solenoid is 500. The area of cross-section of solenoid is 2 × 10-3 m2. If the value of magnetic induction, on passing a current of 2 amp, through it is 5 × 10-3 tesla, the magnitude of magnetic flux connected with it in webers will be
  • a)
    5 × 10-3
  • b)
    10-2
  • c)
    10-5
  • d)
    2.5
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The number of turns in a long solenoid is 500. The area of cross-secti...
Φ=BAN
=5x10-3x2x10-3x500
=5x10-3x1000x10-3
=5x10-3
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Community Answer
The number of turns in a long solenoid is 500. The area of cross-secti...
Magnetic flux of toroid having n number of turns is

= nBA

B -> magnetic induction
A-> area of cross section

= 500 × 2 × 10^(-3) × 5 × 10^(-3)

= 10³ × 10^(-3) × 5 × 10^(-3)

= 5 × 10^(-3)
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The number of turns in a long solenoid is 500. The area of cross-section of solenoid is 2 × 10-3 m2. If the value of magnetic induction, on passing a current of 2 amp, through it is 5 × 10-3 tesla, the magnitude of magnetic flux connected with it in webers will bea)5 × 10-3b)10-2c)10-5d)2.5Correct answer is option 'A'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about The number of turns in a long solenoid is 500. The area of cross-section of solenoid is 2 × 10-3 m2. If the value of magnetic induction, on passing a current of 2 amp, through it is 5 × 10-3 tesla, the magnitude of magnetic flux connected with it in webers will bea)5 × 10-3b)10-2c)10-5d)2.5Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The number of turns in a long solenoid is 500. The area of cross-section of solenoid is 2 × 10-3 m2. If the value of magnetic induction, on passing a current of 2 amp, through it is 5 × 10-3 tesla, the magnitude of magnetic flux connected with it in webers will bea)5 × 10-3b)10-2c)10-5d)2.5Correct answer is option 'A'. Can you explain this answer?.
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