Which of the following best describes electrical resistance? The flow of electric charge The opposition to the flow of electric current The potential difference between two points The energy dissipated as heat in a circuit

The opposition to the flow of electric current

What is the relationship between voltage, current, and resistance in a series circuit? Voltages are additive, current is constant Currents are additive, voltage is constant Resistances are multiplicative, voltage is constant Voltages are equal, resistances are additive

Voltages are additive, current is constant

In Ohm's Law, what does the formula \[ V \] = \[ I \] \[ R \] represent? Voltage is proportional to resistance Current is proportional to voltage Voltage equals current times resistance Resistance equals voltage divided by current

Voltage equals current times resistance

What is the relationship between power, voltage, and current? Power equals voltage divided by current Power equals voltage times current Power equals current divided by voltage Power equals voltage minus current

Power equals voltage times current

Which of the following statements about electrical circuits is true? Voltage flows through a circuit Current is the opposition to flow Resistance impedes the flow of current Current measures potential difference

Resistance impedes the flow of current

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