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WorksheetsCAT 1
Total questions: 10
Worksheet time: 5mins
Which one of the following is not a type of a transformer?
Core
Winding
Wheel
Oil
-is the effect of high voltage on overhead transmission lines
(a)
What is the primary function of a transformer?
Frequency modulation
Power storage
Current generation
Voltage conversion
Which component is essential for the operation of a transformer?
Resistor
Capacitor
Inductor
Core
In which application are transformers commonly used?
Radio transmission
Water purification
Heating systems
Television broadcasting
What type of transformer is used to step up voltage?
Isolation transformer
Auto transformer
Step-down transformer
Step-up transformer
Which of the following factors affects the efficiency of a transformer?
Temperature
Frequency
Load
All of the above
What is the typical voltage range for a step-up transformer?
0-10V
100-1000V
10-100V
1000-10000V
Which of the following factors affects the efficiency of a transformer?
Frequency
All of the above
Load
Temperature
What type of transformer is used to reduce voltage levels?
Isolation transformer
Auto transformer
Step-down transformer
Step-up transformer
