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A conducting rod of length $l = 1 \text{ m}$ moves with a velocity $v = 2 \text{ m/s}$ perpendicular to a magnetic field $B = 0.5 \text{ T}$. What is the induced electromotive force $\varepsilon$ across the rod?
- A.$0.5 \text{ V}$
- B.$1.0 \text{ V}$
- C.$2.0 \text{ V}$
- D.$2.5 \text{ V}$
Show correct answer & step-by-step solution
Correct answer: B — $1.0 \text{ V}$
Solution
The motional electromotive force is . Substituting the values, .
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