This function can calculate any one of the three - 1. Conductivity 2. Electron Concentration 3. Electron Mobility This is calculated from the other two provided values Examples - >>> electric_conductivity(conductivity=25, electron_conc=100, mobility=0) ('mobility', 1
(
conductivity: float,
electron_conc: float,
mobility: float,
)
| 4 | |
| 5 | |
| 6 | def electric_conductivity( |
| 7 | conductivity: float, |
| 8 | electron_conc: float, |
| 9 | mobility: float, |
| 10 | ) -> tuple[str, float]: |
| 11 | """ |
| 12 | This function can calculate any one of the three - |
| 13 | 1. Conductivity |
| 14 | 2. Electron Concentration |
| 15 | 3. Electron Mobility |
| 16 | This is calculated from the other two provided values |
| 17 | Examples - |
| 18 | >>> electric_conductivity(conductivity=25, electron_conc=100, mobility=0) |
| 19 | ('mobility', 1.5604519068722301e+18) |
| 20 | >>> electric_conductivity(conductivity=0, electron_conc=1600, mobility=200) |
| 21 | ('conductivity', 5.12672e-14) |
| 22 | >>> electric_conductivity(conductivity=1000, electron_conc=0, mobility=1200) |
| 23 | ('electron_conc', 5.201506356240767e+18) |
| 24 | >>> electric_conductivity(conductivity=-10, electron_conc=100, mobility=0) |
| 25 | Traceback (most recent call last): |
| 26 | ... |
| 27 | ValueError: Conductivity cannot be negative |
| 28 | >>> electric_conductivity(conductivity=50, electron_conc=-10, mobility=0) |
| 29 | Traceback (most recent call last): |
| 30 | ... |
| 31 | ValueError: Electron concentration cannot be negative |
| 32 | >>> electric_conductivity(conductivity=50, electron_conc=0, mobility=-10) |
| 33 | Traceback (most recent call last): |
| 34 | ... |
| 35 | ValueError: mobility cannot be negative |
| 36 | >>> electric_conductivity(conductivity=50, electron_conc=0, mobility=0) |
| 37 | Traceback (most recent call last): |
| 38 | ... |
| 39 | ValueError: You cannot supply more or less than 2 values |
| 40 | >>> electric_conductivity(conductivity=50, electron_conc=200, mobility=300) |
| 41 | Traceback (most recent call last): |
| 42 | ... |
| 43 | ValueError: You cannot supply more or less than 2 values |
| 44 | """ |
| 45 | if (conductivity, electron_conc, mobility).count(0) != 1: |
| 46 | raise ValueError("You cannot supply more or less than 2 values") |
| 47 | elif conductivity < 0: |
| 48 | raise ValueError("Conductivity cannot be negative") |
| 49 | elif electron_conc < 0: |
| 50 | raise ValueError("Electron concentration cannot be negative") |
| 51 | elif mobility < 0: |
| 52 | raise ValueError("mobility cannot be negative") |
| 53 | elif conductivity == 0: |
| 54 | return ( |
| 55 | "conductivity", |
| 56 | mobility * electron_conc * ELECTRON_CHARGE, |
| 57 | ) |
| 58 | elif electron_conc == 0: |
| 59 | return ( |
| 60 | "electron_conc", |
| 61 | conductivity / (mobility * ELECTRON_CHARGE), |
| 62 | ) |
| 63 | else: |