Unit 8 - Electrical Quantities

Three basic electrical quantities are:

• Voltage, power, current

• Ohm, Farad, Henry

___________ is defined as the rate energy is transformed or transferred over time.

It is the flow of charge.

• Energy

• Current

• Charge

It is the difference of potential energy.

• Resistance

• Voltage

• Amp

The creation of an electromotive force ______________.

The opposition of capacitance and inductance to a current:

• reactance

• resistance

• capacitance

The rate at which an event repeats:

Impedance

• The restriction of the flow of electric current.

• The overall opposition to a current in a circuit.

The rate at which energy is used is called _______________.

The restriction of the flow of electric current.

• Inductance

• Reactance

• Resistance