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Basic Electrical Theory - Chap 5 Review

Across
A capacitor is a device that resists BLANK in voltage.
A BLANK image is used to display the level and direction of current and voltage.
BLANK is the property of an electrical circuit that enables it to store electrical energy by means of an electromagnetic field and to release its energy at a later time.
The number of times a rotor turns in one second is called the BLANK.
Efficiency = Blank watts/Input watts
In order for current to flow in a circuit, the power supply must apply sufficient BLANK force to cause the electrons to move.
Inductors and capacitors are BLANK storage devices in ac and dc circuits.
The more the capacitor is charged, the stronger the BLANK field.
BLANK exists whenever an insulating material separates two conductors that have a difference of potential between them.
When dealing with alternating current (AC) the BLANK constantly changes causing the current to alternately flow in both directions.
Capacitors can be used to prevent BLANK across the contacts of electric switches.
BLANK is a term that indicates the time or degree relationship between two waveforms.
When a BLANK field moves through a coil of wire it causes the electrons in the wire to flow in a specific direction.
All ac generators are separately BLANK, typically by batteries or a small dc generator.
Down
Capacitance is directly proportional to BLANK area.
A BLANK waveform means that Voltage finishes its waveform cycle after the current
Changing magnetic field induces BLANK back on conductor.
To determine the true power consumed by a dc circuit, multiply the volts by the BLANK.
The effects of electron movement are the same regardless of the BLANK of the current flow.
Current and voltage that are 'In-phase' with each other reach their BLANK and zero values at the same time.
True power is the energy consumed and is expressed in BLANK.
The waveform for ac circuits is BLANK, with positive above and negative below the zero reference level.
BLANK current is primarily used because it can be transmitted inexpensively.
When a capacitor has a BLANK difference between the conductors, the capacitor is charged.
The total opposition to current flow in ac circuits is called BLANK and is measured in ohms.
The major use of induction is in transformers, BLANK, and generators.
Power factor (PF) = True Power (Watts)/BLANK power.