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Kamla peddles a stationary bicycle the pedals of the bicycle are attached to a 100 turn coil of area 0.10m2. The coil rotates at half a revolution per second and it is placed in a uniform magnetic field of 0.02 T perpendicular to the axis of rotation of the coil. What is the maximum voltage generated in the coil?
  • a)
    0.628
  • b)
    0.314
  • c)
    0.714
  • d)
    0.554
Correct answer is option 'A'. Can you explain this answer?
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Maximum voltage
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Given parameters:
- Number of turns, N = 100
- Area of the coil, A = 0.10 m²
- Angular velocity, ω = 2π/2 = π rad/s (half a revolution per second)
- Magnetic field, B = 0.02 T

Formula to calculate induced EMF in a coil:
EMF = NBAωsinθ

where,
N = number of turns
B = magnetic field
A = area of the coil
ω = angular velocity
θ = angle between the magnetic field and the plane of the coil

Calculation:
θ = 90° (as the magnetic field is perpendicular to the axis of rotation of the coil)
EMF = NBAωsinθ
EMF = NABω
EMF = 100 x 0.02 x 0.10 x π
EMF = 0.628 V (approx)

Therefore, the maximum voltage generated in the coil is 0.628 V (approx), which is option (A).
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Kamla peddles a stationary bicycle the pedals of the bicycle are attached to a 100 turn coil of area 0.10m2. The coil rotates at half a revolution per second and it is placed in a uniform magnetic field of 0.02 T perpendicular to the axis of rotation of the coil. What is the maximum voltage generated in the coil?a)0.628b)0.314c)0.714d)0.554Correct 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 Kamla peddles a stationary bicycle the pedals of the bicycle are attached to a 100 turn coil of area 0.10m2. The coil rotates at half a revolution per second and it is placed in a uniform magnetic field of 0.02 T perpendicular to the axis of rotation of the coil. What is the maximum voltage generated in the coil?a)0.628b)0.314c)0.714d)0.554Correct 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 Kamla peddles a stationary bicycle the pedals of the bicycle are attached to a 100 turn coil of area 0.10m2. The coil rotates at half a revolution per second and it is placed in a uniform magnetic field of 0.02 T perpendicular to the axis of rotation of the coil. What is the maximum voltage generated in the coil?a)0.628b)0.314c)0.714d)0.554Correct answer is option 'A'. Can you explain this answer?.
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