Transformers|Questions With Correct Answers|Verified
In order to calculate the output voltage of a transformer, divide the input voltage by the
_____________. - ✔Turns ratio
The current load of a transformer is the current drawn by the ___________. - ✔primary
winding itself
A common application of mutual inductance is found in a device called a _________. -
✔transformer
A ___________ is an electrical device that converts AC electricity from one voltage level to
another. - ✔transformer
Which type of transformer is commonly used to reduce line voltages 240 VAC or 480 VAC to
120 VAC? - ✔control transformer
A common application of a center tap on the secondary of a transformer is a(n) _________. -
✔distribution transformer
The power relationship on a transformer states that ___________.
a. Power in = power out + loss
b. Power in = 1/2 power out
c. Power in = 2 x power out
d. all of the above
e. none of the above - ✔Power in = power out + loss
In order to calculate the output voltage of a transformer, divide the input voltage by the
_____________. - ✔Turns ratio
The current load of a transformer is the current drawn by the ___________. - ✔primary
winding itself
A common application of mutual inductance is found in a device called a _________. -
✔transformer
A ___________ is an electrical device that converts AC electricity from one voltage level to
another. - ✔transformer
Which type of transformer is commonly used to reduce line voltages 240 VAC or 480 VAC to
120 VAC? - ✔control transformer
A common application of a center tap on the secondary of a transformer is a(n) _________. -
✔distribution transformer
The power relationship on a transformer states that ___________.
a. Power in = power out + loss
b. Power in = 1/2 power out
c. Power in = 2 x power out
d. all of the above
e. none of the above - ✔Power in = power out + loss
