QUESTIONS AND ANSWERS
Carbon film resistors have which characteristic
Maintain close tolerances in response to temperature changes
have a negative temperature coefficient
Thermistor
Filament resistance increases when bulb is energized
Incandescent bulbs
according to the domain theory of magnesium
Electrons can spin in either directions
Magnets created by flow of electricity are called
Electro magnets
Ease with which magnetic lines of force distribute themselves
throughout material is referred to as?
Permeability
, NEIEP 300 FINAL EXAM (ACTUAL 2025)
QUESTIONS AND ANSWERS
Ability of material to retain it magnetism is called
Retentivity
Magnetic lines of force form a closed loop is called
Magnetic Circuit
What direction do magnetic lines. of force extend outside of
the magnet
North to south
Which device can be used to measure current in a circuit
without disconnecting any wires
clamp on a meter
as current decreases through the loop, the the magnet
becomes
Weaker