WorksheetsENI620-Principles and Applications of Electrical Circuits-Quiz 2
Total questions: 10
Worksheet time: 8mins
A transformer consists of
Metal Core
Metal core and coiled wire
Metal core and polymer wire
Polymer core and metal wire
Transformer is device that
converts AC voltage to current
converts electrical energy to kinetic energy
converts AC voltage to a different level at the same amplitude
converts AC voltage to a different level at the same frequency
Primary loop is connected to the supply while secondary loop is connected to the load.
True
False
Step-up transformer is a transformer that increases...
voltage.
current.
resistance.
conductance.
Name the part label A
Primary coil
Secondary coil
Soft iron core
AC output
Name the part label B
Step down
Primary coil
Step up
Secondary coil
The turns ratio of a transformer is equal to ____________
Vs/ Vp
Ip/Is
Pp/Ps
Vp /Vs
If a transformer reduces voltage, it is called a....................... transformer.
step left
step right
step up
step down
Calculate potential difference in the secondary coil based on the information given below.
Vp = 240 V
Np = 20
Ns = 125
Vs ?
1500
500
1000
2000
