K12Python写分类电阻问题的求解思路解析
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2024-01-14
09:18:38
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class ElectricCircuit:
#
在构造函数中定义三个变量电压，电流，
def __init__(self, voltage=None, current=None, resistance=None):
self.voltage = voltage
self.current = current
self.resistance = resistance
def calculate_current(self, voltage):
if self.resistance is None:
raise ValueError("Resistance is not set in the circuit.")
return voltage / self.resistance
@staticmethod
def calculate_voltage_divider_resistor(voltage_source, voltage_r1, current):
"""
计算电压分压电阻值
Args:
voltage_source (float): 电压源值
voltage_r1 (float): R1上的电压值
current (float): 流过R1的电流值
Returns:
float: R2的阻值
"""
return (voltage_source - voltage_r1) / current
lamp_circuit = ElectricCircuit(voltage=8, resistance=20)
normal_current = lamp_circuit.calculate_current(lamp_circuit.voltage)
power_supply_voltage = 9
voltage_r1 = lamp_circuit.voltage
voltage_divider_resistor =
ElectricCircuit.calculate_voltage_divider_resistor(power_supply_voltage, voltage_r1,
normal_current)
print("正常工作时通过灯泡的电流：", normal_current, "A")
print("分压电阻的阻值：", voltage_divider_resistor, "Ω")
@staticmethod
py
thon-
物理问题实例分析
-
分压电阻问题
2024
年
1
月
14
日
6:12
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python
基础语法 的第
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