
Welding Power and Circuit Fundamentals

Interactive Video
•
Physics
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary role of electrons in electricity?
To orbit the nucleus
To create resistance
To flow from one atom to another
To generate heat
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which materials are commonly used in welding circuits due to their conductivity?
Iron, Nickel, Zinc
Copper, Silver, Gold
Platinum, Palladium, Rhodium
Aluminum, Tin, Lead
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What effect does a higher voltage have on a welding arc?
It makes the bead more attractive
It produces a harsher arc with more spatter
It reduces the amount of spatter
It creates a smoother arc
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does resistance affect electron flow in a circuit?
It accelerates electron flow
It cools down the circuit
It generates heat and restricts flow
It has no effect on electron flow
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does amperage measure in a circuit?
The power output of the circuit
The voltage across a point
The number of electrons flowing past a point per second
The resistance in the circuit
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to match amperage with voltage in welding?
To make the equipment last longer
To reduce the cost of welding
To increase the speed of welding
To ensure a smooth and even weld bead
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between single-phase and three-phase power?
Three-phase is only used in residential applications
Single-phase requires larger conductors
Three-phase provides continuous power without zero moments
Single-phase is more efficient
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