What would be the total current in figure...

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Question 1 of 2066636eed28f7522a1c51ddc2

What would be the total current in figure "A" of the circuit illustrated if the value of capacitor C1 was 100 microfarads, capacitor C2 was 200 microfarads, and the power supply was 240 volts at 60 Hz? Illustration EL- 0038

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Question 1 of 20

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🔍 Key Concepts

• How to calculate capacitive reactance (Xc) for a capacitor on AC: ( X_c = \frac{1}{2 \pi f C} ) • What happens to capacitance in parallel (C1 and C2 as shown in figure A) • Relationship between voltage, reactance, and current in an AC capacitive circuit: ( I = \frac{E}{X_c} )

💭 Think About

• Are C1 and C2 in series or in parallel in figure A, and how does that affect the total capacitance? • Once you find the equivalent capacitance, can you compute a single Xc for the combination, then find total current using the supply voltage? • Do the individual capacitor currents add directly, or do you treat them as one equivalent capacitor in parallel? Why?

✅ Before You Answer

• Be sure to convert microfarads to farads before using the formula for Xc. • Check that you used f = 60 Hz and E = 240 V consistently in all calculations. • After finding the total current, compare with the choices and confirm the value is reasonable in magnitude for these capacitances and frequency (not off by a factor of 10).

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