amperes law

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Solenoid of length 15 cm has 300 turns. If current flowing through solenoid is 5 A, magnetic field inside solenoid will be

Solenoid of length 15 cm has 300 turns. If current flowing through solenoid is 5 A, magnetic field inside solenoid will be
  • A. 2.3 × 10²
  • B. 1.3 × 10²
  • C. 1.1 × 10²
  • D. 1.4 × 10²
  • Correct Answer: Option B

Charged particle ‘q’ moving through magnetic field with velocity ‘V’ will have zero magnetic force when angle is

Charged particle ‘q’ moving through magnetic field with velocity ‘V’ will have zero magnetic force when angle is
  • B. 90
  • C. 180
  • D. both a and b
  • Correct Answer: Option D

Magnetic field inside a solenoid is

Magnetic field inside a solenoid is
  • A. zero
  • B. weak
  • C. uniform
  • D. non-uniform
  • Correct Answer: Option C