库仑定律静电力计算器
利用 F = k_e × q₁ × q₂ / r² 计算点电荷之间的静电力大小、电荷量（微库仑）或相隔距离。
Magnitude of force between charges in Newtons
First charge magnitude in microcoulombs (10⁻⁶ C)
Second charge magnitude in microcoulombs (10⁻⁶ C)
Distance between point charges in meters
分步代入计算过程
Coulomb's Law calculates the electrostatic attraction or repulsion force F between two point charges q₁ and q₂ separated by distance r in free space using Coulomb's constant k_e = 8.98755 × 10⁹ N·m²/C².
常见参考标准值
Vacuum permittivity ε₀ = 8.854 × 10⁻¹² F/m
Single proton or electron charge quantum
Strong macroscopic force from microcoulomb static charge
20 行数值对照表
Electrostatic Force (F) · Point Charge 1 (q₁ (μC))
| # | Point Charge 1 (q₁ (μC)) | Electrostatic Force (N) | Δ % |
|---|---|---|---|
| 01 | 10 当前 | 8.9875 N | 0.00% |
| 02 | 72.9041 | 65.5229 N | +629.04% |
| 03 | 145.7983 | 131.0368 N | +1357.98% |
| 04 | 218.6924 | 196.5506 N | +2086.92% |
| 05 | 291.5866 | 262.0645 N | +2815.87% |
| 06 | 364.4807 | 327.5784 N | +3544.81% |
| 07 | 437.3748 | 393.0923 N | +4273.75% |
| 08 | 510.269 | 458.6062 N | +5002.69% |
| 09 | 583.1631 | 524.1201 N | +5731.63% |
| 10 | 656.0572 | 589.634 N | +6460.57% |
| 11 | 728.9514 | 655.1479 N | +7189.51% |
| 12 | 801.8455 | 720.6617 N | +7918.46% |
| 13 | 874.7397 | 786.1756 N | +8647.40% |
| 14 | 947.6338 | 851.6895 N | +9376.34% |
| 15 | 1,020.53 | 917.2034 N | +10105.28% |
| 16 | 1,093.42 | 982.7173 N | +10834.22% |
| 17 | 1,166.32 | 1,048.23 N | +11563.16% |
| 18 | 1,239.21 | 1,113.75 N | +12292.10% |
| 19 | 1,312.10 | 1,179.26 N | +13021.04% |
| 20 | 1,385.00 | 1,244.77 N | +13749.99% |
常见问题解答 (FAQ)
如何使用在线 库仑定律静电力计算器 工具？+
输入已知参数或拖动滑块，即可在浏览器中实时计算并可视化 库仑定律静电力计算器（基于关系式 F = (k_e × q₁ × q₂) / r²）。利用 F = k_e × q₁ × q₂ / r² 计算点电荷之间的静电力大小、电荷量（微库仑）或相隔距离。
可以导出或打印 库仑定律静电力计算器 的结果吗？+
可以。支持一键复制数据、打印计算工作表或导出高清 SVG、PNG 和 CSV 文件。
我可以清空 库仑定律静电力计算器 中的示例数据并从空白状态开始吗？+
可以。点击工具顶部的“清空 / 空白开始”按钮即可重置所有输入项，随时也可一键重新加载示例数据。