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Electric Current
Electric Potential Difference
Ohm's Law
100
The unit of measurement for electric current.
What is an ampere? (A)
100
Definition of voltage.
What is the electric potential energy per coulomb of charge?
100
The unit of measurement for resistance and its symbol.
What is the "ohm" and the Greek letter "omega (Ω)"?
200
1 coulomb = ? electrons
What is 6.25 x 10 to the power of 18?
200
The formula for finding voltage.
What is V = deltaE/Q?
200
The formula for finding the resistance of a conductor.
What is R = V/I?
300
The difference between conventional current and electron flow.
What is - conventional current is the direction that a positive charge would take, and electron flow is the flow of negative charge from the negative terminal to the positive terminal?
300
State the rule for finding the voltage of a circuit with cells in series, and the voltage of a circuit with cells in parallel.
What is - series: add the voltage of the cells together. VT=V1+V2.... parallel: always the same as the voltage of one cell. VT=V1=V2?
300
A 92 ohms resistor has a current of 78mA. The voltage in the resistor is.... _________.
What is 7.2V?
400
A light bulb has a current of 0.073 A flowing through it. The number of electrons that pass through the light bulb in 45 seconds is _______.
What is 2.053125 x 10 to the power of 19?
400
The minimum amount of electric cells of 2.0V needed for a car battery that produces 12V. They would be arranged in ________.
What is 6? in series
400
The colour bands on a resistor are yellow, orange, and blue in that order. The resistance is ______.
What is 43 000 000 plus or minus 20%?
500
The formula for calculating current. Include what each letter represents and the unit of measurements.
What is I = Q/t where I is current (in amperes), Q is quantity of electric charge (in coulombs) and t is the time (in seconds)?
500
A voltmeter is placed in _________. while an ammeter is placed in _________. (series or parallel)
What is parallel, series?
500
A flashlight has a filament with a resistance of 10.7 Ω. The batteries provide 2.8 V. The current is _______.
What is 0.26A?