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Magnetism quick check

A quick check of 3 questions. After you submit, each question shows the right answer and why.

3 of 9 questions, Advanced level. Aimed at the Advanced level, your current depth. Questions you have not answered yet come first.

Show all 9 questions

ScientistQuestion 1 of 3

A proton (charge 1.6 × 10⁻¹⁹ C) moves at 1.0 × 10⁶ m/s at right angles to a 0.50 T magnetic field. What is the magnetic force on it, in units of 10⁻¹⁴ N?

AdvancedQuestion 2 of 3

The magnetic flux through each turn of a 100-turn coil falls steadily by 2.0 × 10⁻³ Wb in 0.10 s. What is the size of the induced emf, in volts?

AdvancedQuestion 3 of 3

Taking μ₀ = 1.2566 × 10⁻⁶ N A⁻², what is the magnetic field 5.0 cm from a long straight wire carrying 10 A? Give your answer in microtesla (μT).