WorksheetsDPV10642 QUIZ
Total questions: 10
Worksheet time: 5mins
What is the purpose of a transformer?
To control voltage fluctuations
To generate electricity
To transfer electrical energy
To store electrical energy
What are the three general categories of core material in a transformer?
Steel, Titanium, Nickel
Plastic, Glass, Aluminum
Copper, Silver, Gold
Air, Ferrite, Iron
What is the turns ratio of a transformer with 1500 turns on the primary coil and 500 turns on the secondary coil?
0.5
1.5
2.5
3.5
What is the purpose of a Step-Up transformer?
To convert DC to AC
To increase AC voltage
To store electrical energy
To decrease AC voltage
What determines the relationship between the load current and primary current in a transformer?
The number of turns in the primary winding
The type of core material used
The frequency of the input voltage
The turns ratio of the transformer
What are load losses in a transformer?
Losses that occur when the transformer is overloaded
Losses that occur when the transformer is not connected to a load
Losses that occur when the transformer is connected to a load
Losses that occur when the transformer is underloaded
What is the most common application of an electrical transformer?
To power household appliances
To distribute electrical power
To charge electronic devices
To control lighting systems
What is the purpose of basic transformer testing?
To verify the turns ratio
To measure the resistance of the windings
To determine the efficiency of the transformer
To check for short circuits
What is the secondary voltage of a transformer with 1000 turns on the primary winding and 50 turns on the secondary winding, if the primary voltage is 240V?
240V
24V
12V
120V
What is the current in the primary winding of a transformer with a secondary resistance load of 550 ohms, if the primary current is 100mA?
0.02A
0.04A
0.08A
0.06A
