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The video provides an introduction to electrical concepts, laying the groundwork for understanding the basics of electricity and its applications.

What is the primary focus of electrical engineering?

• Studying chemical reactions

• Designing mechanical systems

• Understanding electrical systems

• Analyzing biological processes

Which component is essential for storing electrical energy?

• Transformer

• Inductor

• Capacitor

• Resistor

What is the function of a resistor in an electrical circuit?

• To limit current

• To store energy

• To convert AC to DC

• To increase voltage

Which of the following is a common application of electrical systems?

• Generating electricity

• Cooking food

• Building bridges

• Growing plants

How do transformers affect electrical voltage?

• They store voltage

• They eliminate voltage

• They increase or decrease voltage

• They convert voltage to current