A copper wire of length 4.00 cm and radius 4.00 mm has a potential difference of 4.00 nV across the ends of the wire. Calculate
the amount of charge in microCoulombs) drifting through the cross section in 4.00 ms. Assume the resistivity of copper is 1.70 x 10-8 Ohm-meters.
1. 101.88
2. 1.18
3. 0.59
4. 41.40
5. 66.35 [10 points]
1. 101.88
2. 1.18
3. 0.59
4. 41.40
5. 66.35 [10 points]
1 answer:
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Answer:
The voltage across a semiconductor bar is 0.068 V.
Explanation:
Given that,
Current = 0.17 A
Electron concentration
Electron mobility
Length = 0.1 mm
Area = 500 μm²
We need to calculate the resistivity
Using formula of resistivity
Put the value into the formula
We need to calculate the resistance
Using formula of resistance
We need to calculate the voltage
Using formula of voltage
Put the value into the formula
Hence, The voltage across a semiconductor bar is 0.068 V.