Neiep Transformers Year 2 Review Questions
(410) And Answers
Inductance -
correct answer ✅is the property of the coil of a wire that opposes
a change in current in an electromagnetic device
False (Len's Law) States -
correct answer ✅(True/False) Ohm's Law states that when voltage
is initially applied to a coil, the induced voltage opposes the source
voltage.
Low -
correct answer ✅When voltage is initially applied to a coil, current
is
Counter EMF -
correct answer ✅The induced voltage that opposes any change in
current is called
Greatest -
correct answer ✅Counter EMF is greatest when the lines of flux
are expanding or contracting at their (lowest/greatest) rate of
change.
, Neiep Transformers Year 2 Review Questions
(410) And Answers
Mutual Inductance -
correct answer ✅When inductors share magnetic lines of force it is
referred to as
Primary Winding -
correct answer ✅The coil where the AC source voltage is applied is
called the
Secondary Winding -
correct answer ✅The coil where the EMF is induced is called the
In -
correct answer ✅When primary and secondary windings are
wound in the same direction, the voltages will be (in/out of) phase
Out of -
correct answer ✅When the primary and secondary windings are
wound in the opposite direction, the voltages will be (in/out of)
Phase.
True -
correct answer ✅(True/False) Another way of changing the phase
(410) And Answers
Inductance -
correct answer ✅is the property of the coil of a wire that opposes
a change in current in an electromagnetic device
False (Len's Law) States -
correct answer ✅(True/False) Ohm's Law states that when voltage
is initially applied to a coil, the induced voltage opposes the source
voltage.
Low -
correct answer ✅When voltage is initially applied to a coil, current
is
Counter EMF -
correct answer ✅The induced voltage that opposes any change in
current is called
Greatest -
correct answer ✅Counter EMF is greatest when the lines of flux
are expanding or contracting at their (lowest/greatest) rate of
change.
, Neiep Transformers Year 2 Review Questions
(410) And Answers
Mutual Inductance -
correct answer ✅When inductors share magnetic lines of force it is
referred to as
Primary Winding -
correct answer ✅The coil where the AC source voltage is applied is
called the
Secondary Winding -
correct answer ✅The coil where the EMF is induced is called the
In -
correct answer ✅When primary and secondary windings are
wound in the same direction, the voltages will be (in/out of) phase
Out of -
correct answer ✅When the primary and secondary windings are
wound in the opposite direction, the voltages will be (in/out of)
Phase.
True -
correct answer ✅(True/False) Another way of changing the phase
