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Practical Electronic

National 4 Physics - Practical Electrical and Electronic Circuits.

QuestionAnswer
What is the rule about current in a series circuit? Current is the same throughout the circuit.
What is the rule about voltage in a series circuit? Voltage is shared between each component.
What is the rule about current in a parallel circuit? Current is shared between each path of the circuit.
What is the rule about voltage in a series circuit? Voltage is the same across each path of the circuit.
What is resistance measured in? The unit for resistance is the Ohm, the symbol for Ohm is Ω.
How can you calculate resistance if you have current and voltage? Resistance is voltage divided by current.
How can you calculate current if you have resistance and voltage? Current is voltage divided by resistance.
How can you calculate voltage if you have current and resistance? Voltage is current multiplied by resistance.
If voltage increases current goes... Up.
If resistance increases current goes... Down.
How do you calculate total resistance in a series circuit? All individual resistances added together.
What values can an analogue signal take? Any value.
What values can a digital signal take? 0 and 1.
Is a voltmeter connected in series or parallel? Parallel
Is a ammeter connected in series or parallel? Series
What is an example of a digital input device? Switch
What is an example of a digital output device? LED, 7 Segment Display, Solenoid, Relay
What is an example of an analogue input device? Microphone, Variable Resistor, Thermistor, LDR, Solar Cell
What is an example of an analogue output device? Motor, Loudspeaker, Lamp
Created by: EddyTheB
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