Jawaban :
b. Kuat Arus
t = 1 jam 15 menit = 75 menit = 4500 sekon
I = q/t = 90/4500 = 0,02 A
b. Kecepatan elektron
n = 5,8.10²² elektron/cm³
n = 5,8.10²⁸ elektron/m³
A = πD²/4 = π.1²/4 mm²
A = π.10⁻⁶/4 m² = 0,25.π.10⁻⁶ m²
I = n.e.v.A
v = I/( n.e.A )
v = 0,02/( 5,8.10²⁸. 1,6.10⁻¹⁹. 0,25.π.10⁻⁶ )
v = 2,7.10⁻⁶ m/s
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Jawaban :
b. Kuat Arus
t = 1 jam 15 menit = 75 menit = 4500 sekon
I = q/t = 90/4500 = 0,02 A
b. Kecepatan elektron
n = 5,8.10²² elektron/cm³
n = 5,8.10²⁸ elektron/m³
A = πD²/4 = π.1²/4 mm²
A = π.10⁻⁶/4 m² = 0,25.π.10⁻⁶ m²
I = n.e.v.A
v = I/( n.e.A )
v = 0,02/( 5,8.10²⁸. 1,6.10⁻¹⁹. 0,25.π.10⁻⁶ )
v = 2,7.10⁻⁶ m/s