Apply Coulomb's Law on any three given values. These can be force, charge1, charge2, or distance, and then in a Python dict return name/value pair of the zero value. Coulomb's Law states that the magnitude of the electrostatic force of attraction or repulsion between two point
(
force: float, charge1: float, charge2: float, distance: float
)
| 6 | |
| 7 | |
| 8 | def couloumbs_law( |
| 9 | force: float, charge1: float, charge2: float, distance: float |
| 10 | ) -> dict[str, float]: |
| 11 | """ |
| 12 | Apply Coulomb's Law on any three given values. These can be force, charge1, |
| 13 | charge2, or distance, and then in a Python dict return name/value pair of |
| 14 | the zero value. |
| 15 | |
| 16 | Coulomb's Law states that the magnitude of the electrostatic force of |
| 17 | attraction or repulsion between two point charges is directly proportional |
| 18 | to the product of the magnitudes of charges and inversely proportional to |
| 19 | the square of the distance between them. |
| 20 | |
| 21 | Reference |
| 22 | ---------- |
| 23 | Coulomb (1785) "Premier mémoire sur l'électricité et le magnétisme," |
| 24 | Histoire de l'Académie Royale des Sciences, pp. 569-577. |
| 25 | |
| 26 | Parameters |
| 27 | ---------- |
| 28 | force : float with units in Newtons |
| 29 | |
| 30 | charge1 : float with units in Coulombs |
| 31 | |
| 32 | charge2 : float with units in Coulombs |
| 33 | |
| 34 | distance : float with units in meters |
| 35 | |
| 36 | Returns |
| 37 | ------- |
| 38 | result : dict name/value pair of the zero value |
| 39 | |
| 40 | >>> couloumbs_law(force=0, charge1=3, charge2=5, distance=2000) |
| 41 | {'force': 33705.0} |
| 42 | |
| 43 | >>> couloumbs_law(force=10, charge1=3, charge2=5, distance=0) |
| 44 | {'distance': 116112.01488218177} |
| 45 | |
| 46 | >>> couloumbs_law(force=10, charge1=0, charge2=5, distance=2000) |
| 47 | {'charge1': 0.0008900756564307966} |
| 48 | |
| 49 | >>> couloumbs_law(force=0, charge1=0, charge2=5, distance=2000) |
| 50 | Traceback (most recent call last): |
| 51 | ... |
| 52 | ValueError: One and only one argument must be 0 |
| 53 | |
| 54 | >>> couloumbs_law(force=0, charge1=3, charge2=5, distance=-2000) |
| 55 | Traceback (most recent call last): |
| 56 | ... |
| 57 | ValueError: Distance cannot be negative |
| 58 | |
| 59 | """ |
| 60 | |
| 61 | charge_product = abs(charge1 * charge2) |
| 62 | |
| 63 | if (force, charge1, charge2, distance).count(0) != 1: |
| 64 | raise ValueError("One and only one argument must be 0") |
| 65 | if distance < 0: |