A metal object having a length (10m), cross section area (0.5 mm²), and resistance (0.50) is connected to a potential difference source of 5V at room temperature. If the density of free electrons equals (8×1025 electron/m³), Calculate the drift velocity. 1.56m/s 1.13m/s 1.43m/s 1.62m/s 1.75m/s 0.56m/s 1.33m/s

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Chapter1: Units, Trigonometry. And Vectors
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A metal object having a length (10m), cross section area (0.5 mm²), and
resistance (0.5N) is connected to a potential difference source of 5V at
room temperature.
If the density of free electrons equals (8x1025 electron/m³), Calculate the
drift velocity.
1.56m/s
1.13m/s
1.43m/s
1.62m/s
1.75m/s
0.56m/s
1.33m/s
2 points
Calculate the capacitance for a p-n junction when a reverse bias with 3V
is applied at T=350K.
Assume that NA=1×1020/m³, Np=1×1018, n¡ = 1×1015/m³, &= 11.7, and
the cross section area is lum.
1.521pF
1.212pF
1.512pF
1.203pF
1.432pF
1.182pF
1.441DF
Transcribed Image Text:全l。 A docs.google.com A metal object having a length (10m), cross section area (0.5 mm²), and resistance (0.5N) is connected to a potential difference source of 5V at room temperature. If the density of free electrons equals (8x1025 electron/m³), Calculate the drift velocity. 1.56m/s 1.13m/s 1.43m/s 1.62m/s 1.75m/s 0.56m/s 1.33m/s 2 points Calculate the capacitance for a p-n junction when a reverse bias with 3V is applied at T=350K. Assume that NA=1×1020/m³, Np=1×1018, n¡ = 1×1015/m³, &= 11.7, and the cross section area is lum. 1.521pF 1.212pF 1.512pF 1.203pF 1.432pF 1.182pF 1.441DF
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