查人人中国名人网精车刀片:物理问题
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The rms current
An ac voltage, whose peak value is 180V, is across a 356 ohm resistor. What is the value of the rms current in the resistor?
An ac voltage, whose peak value is 180V, is across a 356 ohm resistor. What is the value of the rms current in the resistor?
The rms current is 180*qur(2)/2V/365Ω≈0.357472
Vrms=1/2根号2*峰值电压
is 180V/365Ω≈0.51A
The rms current is 180V/365Ω≈0.51A
The rms current is 180*qur(2)/2V/365Ω≈0.357472
Vrms=1/2根号2*峰值电压