Three Resistors Connected in Series Each Carry Currents Labeled I₁,I₂

question 69

Multiple Choice

Three resistors connected in series each carry currents labeled I₁,I₂ and I₃.Which of the following expresses the value of the total current I_T in the system made up of the three resistors in series?

• A)I_T = I₁ + I₂ + I₃
• B)I_T = (1/I₁ + 1/I₂ + 1/I₃)
• C)I_T = I₁ = I₂ = I₃
• D)I_T = (1/I₁ + 1/I₂ + 1/I₃)−¹

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