Neiep 300
_____ have a negative temperature coefficient - ANS - Thermistor
_____ refer to the moveable contacts on a switch - ANS - Poles
A neutral atom has _____? - ANS - equal number protons and electrons
Ability of material to retain it magnetism is called - ANS - Retentivity
AC value that produces same heat dissipation in a resistor as an equivalent value as
DC - ANS - effective value
according to the domain theory of magnesium ______ - ANS - Electrons can spin in
either directions
as current decreases through the loop, the ______ the magnet becomes - ANS -
Weaker
Carbon film resistors have which characteristic - ANS - Maintain close tolerances in
response to temperature changes
Contact wear is always _______ on DC switches than AC switches - ANS - greater
Describe current flow - ANS - Uniform movement of electrons from negative to
positive
Describe current in a SERIES circuit - ANS - Value of current remains same at any
point
Describe maintained contact switch action - ANS - When the switch is actuated once,
contacts close an remain close
Ease with which magnetic lines of force distribute themselves throughout material is
referred to as? - ANS - Permeability
Filament resistance increases when bulb is energized - ANS - Incandescent bulbs
_____ have a negative temperature coefficient - ANS - Thermistor
_____ refer to the moveable contacts on a switch - ANS - Poles
A neutral atom has _____? - ANS - equal number protons and electrons
Ability of material to retain it magnetism is called - ANS - Retentivity
AC value that produces same heat dissipation in a resistor as an equivalent value as
DC - ANS - effective value
according to the domain theory of magnesium ______ - ANS - Electrons can spin in
either directions
as current decreases through the loop, the ______ the magnet becomes - ANS -
Weaker
Carbon film resistors have which characteristic - ANS - Maintain close tolerances in
response to temperature changes
Contact wear is always _______ on DC switches than AC switches - ANS - greater
Describe current flow - ANS - Uniform movement of electrons from negative to
positive
Describe current in a SERIES circuit - ANS - Value of current remains same at any
point
Describe maintained contact switch action - ANS - When the switch is actuated once,
contacts close an remain close
Ease with which magnetic lines of force distribute themselves throughout material is
referred to as? - ANS - Permeability
Filament resistance increases when bulb is energized - ANS - Incandescent bulbs
