An aircraft with a wingspan of 40 m flies a speed of 1080 km `hr_(1)` in the eastward direction at a constant altitude in the northern hemisphere, where the vertical component of earth's magnetic fieldis `1.75 xx 10^(-5)` T. Find the e.m.f. that develops between the tips of the wings.

Explanation

To find the electromotive force (e.m.f.) that develops between the tips of the wings of an aircraft flying in the northern hemisphere, we can use the formula for induced e.m.f. in a conductor moving through a magnetic field:

\[ \text{e.m.f.} = B \cdot L \cdot v \]

Where:
- \( B \) is the magnetic field strength (in teslas),
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