Transformers (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the main purpose of a transformer in welding equipment?
What is the main purpose of a transformer in welding equipment?
Convert voltage levels for welding
What principle do transformers rely on to function?
What principle do transformers rely on to function?
Electromagnetic induction
How many main components does a basic transformer have?
How many main components does a basic transformer have?
Three components
What is the function of the iron core in a transformer?
What is the function of the iron core in a transformer?
Provide path for magnetic field
How are the primary and secondary coils connected?
How are the primary and secondary coils connected?
Magnetically via iron core
Which coil receives the input voltage from the mains supply?
Which coil receives the input voltage from the mains supply?
Primary coil
In a step-down transformer, which coil has more windings?
In a step-down transformer, which coil has more windings?
Primary coil
What happens to current in a step-down transformer?
What happens to current in a step-down transformer?
Current increases
A transformer with 1000 primary and 500 secondary windings has what winding ratio?
A transformer with 1000 primary and 500 secondary windings has what winding ratio?
2:1
What voltage output is typical for welding transformers?
What voltage output is typical for welding transformers?
110-120 volts
What is the frequency of AC input in the UK?
What is the frequency of AC input in the UK?
50Hz
What safety feature do transformers provide in welding equipment?
What safety feature do transformers provide in welding equipment?
Electrical isolation