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Bridge Circuit Calculator

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Calculator to solve for value of I₁ = ? and value of I₂ = ? and E = ?

I_total =

Voltage drop at E_R3 = volts (70 x 0.05)

I₁ = Amp

I₂ = Amp

Voltage drop at E_R3 = volts (150 x 0.06)

Voltage source, E = (E_R3 + E_R5)

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Can you use this analysis in Alternating Current circuit (AC) ? Yes, because most of the metering value are reported in RMS (root mean squared) , which is the equivalent Direct Current (DC) effective value. Caution makes sure you have a very good understanding of RMS value and the metering values that you are using is actually RMS value. To quickly check if the value is RMS, there should be no negative value. Why ? because in RMS , the negative value is squared. Memory recall what we learned from multiplication of two negative numbers, the result is always positive. So if you see negative value. You can be sure that the value is not RMS value, it is waveform value.

Compute the I_total current when the voltage source used is 15 V.


PROBLEM #2 Can be solved by trial and error or Heuristic Method.

Using the above simulator. Try raising the Current I_total until you reach close enough to the given voltage of 15 V.

Answer = 0.12 Amp is the total current.

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