(b) For a Hall bar 1.0 mm wide, 50 µm thick, carrying 20 mA, and electron density $n = 8.0 \times 10^{22} \text{ m}^{-3}$, estimate the Hall voltage at 0.10 T. (c) If the supply current doubles, how do the Hall voltage and power dissipation change?
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Part (b): Estimate the Hall voltage. The Hall voltage ($V_H$) is given by the formula: $V_H = \frac{IB}{net}$ where: $I$ is the current $B$ is the magnetic field strength $n$ is the electron density $e$ is the elementary charge ($1.602 \times 10^{-19}$ C) $t$ is Show more…
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