Question 1
What key feature best describes electrical potential difference in a circuit?
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Physics · Unit 1 · Electrical circuits · Current, potential difference and energy flow
Describe the concepts of electrical potential difference and power within a circuit.
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Question 2
A student constructs a simple circuit with a 12 V battery connected to a resistor using ideal wires (zero resistance). As current flows through the resistor, which statement correctly describes the relationship between electrical potential difference and power dissipated?
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Question 3
A 12 V battery supplies a circuit containing two resistors in series. Resistor R₁ dissipates 6.0 W and resistor R₂ dissipates 3.0 W. What key feature explains why R₁ dissipates more power than R₂?
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