Practice Purely Capacitive Circuit (4.1.3) - Fundamentals of AC Circuits
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Purely Capacitive Circuit

Practice - Purely Capacitive Circuit

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the formula for capacitive reactance?

💡 Hint: Remember, this relationship involves frequency and capacitance.

Question 2 Easy

In a purely capacitive circuit, does current lead or lag voltage?

💡 Hint: Think about the phase relationship in AC circuits.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

In purely capacitive circuit behavior, current leads voltage by how many degrees?

0 degrees
90 degrees
180 degrees

💡 Hint: Think about their phase relationship.

Question 2

The formula for capacitive reactance is:

True
False

💡 Hint: Consider how reactance is calculated.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a purely capacitive circuit with capacitors connected in series, how does the equivalent capacitance change? Calculate the equivalent capacitance of three capacitors of 4μF, 6μF, and 10μF.

💡 Hint: Don't forget to convert to the equivalent.

Challenge 2 Hard

Analyze how the phase angle affects the power factor in a purely capacitive circuit and determine the power factor if the voltage is 120 V and the capacitive reactance is 30 ohms.

💡 Hint: Consider the definition of power factor.

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Reference links

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