All Flashcards
What are the key differences between series and parallel circuits?
Series: Single path for current, current is the same through all components, total resistance increases. Parallel: Multiple paths for current, voltage is the same across all components, total resistance decreases.
Compare and contrast an ideal vs. a real battery.
Ideal: No internal resistance, terminal voltage equals EMF. Real: Has internal resistance, terminal voltage is less than EMF when current flows.
Differentiate between resistance (R) and resistivity (ρ).
Resistance: Depends on the material's resistivity and dimensions (length and area). Resistivity: A material property that describes how much it resists the flow of current.
Compare how ammeters and voltmeters are connected in a circuit.
Ammeters: Connected in series, low internal resistance. Voltmeters: Connected in parallel, high internal resistance.
Label the components in a basic circuit diagram.
Battery: Long and short parallel lines; Resistor: Zig-zag line; Switch: A break in a line with a movable arm.
What is the difference between series and parallel circuits?
Series: Components connected end-to-end, single path for current. Parallel: Components connected side-by-side, multiple paths for current.
What is the difference between an ideal and a real battery?
Ideal: No internal resistance. Real: Has internal resistance that affects terminal voltage.
What is the difference between resistance and resistivity?
Resistance (R) depends on the object's dimensions. Resistivity (ρ) is a material property.
What is the difference between Voltmeter and Ammeter?
Voltmeter: Measures voltage, connected in parallel with high internal resistance. Ammeter: Measures current, connected in series with low internal resistance.