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Circuit Test

QuestionAnswer
What are Volts? Units for electric potential, which is analogous to pressure.
What is current? The rate at which charge is moving through a circuit.
What is resistance? Measured in Ohms, lowers current at given ^V
What are joules A unit of charge
What is a ohmic resistor? type of resistor where current changes predictably with different ^V's
Series circuit Circuit where all of the current must follow the same path.
Parallel circuit circuit with two or more paths from high to low potential.
Coulombs A unit of charge
Short Circuit A circuit where a connection is accidentally made without a resistor in the circuit.
How to tell if a resistor is Ohmic When the voltage goes up current goes up. Straight lines equals Ohmic.
How to find higher resistance Steeper equals higher resistance
How would you tell if a resistor is Ohmic A resistor is Ohmic if it is a straight line on the graph. The resistance doesn't change even when the voltage changes.
The current through parallel resistors compared to the total current is expected to be : Half the total
The current through parallel resistors compared to each other is expected to be: The same
The difference between resistors wired in series is expected to be: voltage/current
The current through resistors wired in a series compared to the total current through he circuit is expected to be: The same
The current through resistors wired in a series compared o each other is expected to be: The same
Resistance equation: R=V/I
Current equation: I=V/R
Voltage equation: V=IR
Created by: llvg
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