1 - Introduction to Electricity
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Practice Questions
Test your understanding with targeted questions
What is the unit of electric current?
💡 Hint: Think about the amperage used in electrical appliances.
Define voltage.
💡 Hint: Consider what pushes electrons in a wire.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating Ohm's Law?
💡 Hint: Remember the relationship defined by Ohm's Law.
True or False: Voltage is the opposition to the flow of current.
💡 Hint: Think about what motivates the flow of electrons.
1 more question available
Challenge Problems
Push your limits with advanced challenges
If a circuit has a voltage of 24V and consists of two resistors, one of 4Ω and the other of 2Ω in series, find the current flowing through the circuit.
💡 Hint: First, add the resistances before using Ohm's Law.
In a parallel circuit with two resistors of 3Ω and 6Ω connected to a 12V battery, calculate the total current flowing from the battery.
💡 Hint: Remember to calculate equivalent resistance for parallel circuits!
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