B.5.2 - Voltage and Resistance
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Practice Questions
Test your understanding with targeted questions
Define voltage.
💡 Hint: Think about the energy that drives the current in a circuit.
What unit is resistance measured in?
💡 Hint: It starts with the letter 'O.'
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does Ohm's Law state?
💡 Hint: Remember the relationship between these terms.
True or False: Increasing resistance in a circuit with fixed voltage will increase the current.
💡 Hint: Think about the equation and how the values relate.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Calculate the power used by a 10Ω resistor with a 5V voltage supply.
💡 Hint: Use the power formula derived from Ohm's Law.
A circuit consists of a 12V battery connected across two resistors of 4Ω and 8Ω in series. What is the current flowing through the circuit?
💡 Hint: Calculate total resistance first before applying Ohm's Law.
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