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Electrical Systems Quiz

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1. What is the primary purpose of a transformer in an electrical system?

2. What is the role of a circuit breaker in an electrical system?

3. In a three-phase power system, what is the angle difference between each phase?

4. What does Ohm's law state in terms of current (I), resistance (R) and voltage (V)?

5. What is the equivalent resistance of resistors connected in series?

6. What is the equivalent resistance of resistors connected in parallel?

7. Which law allows analysis of electric networks by solving component voltages for a known network architecture and a set of known source currents?

8. What does Kirchhoff's Current Law state about the current in and current out in a junction?

9. Which component in an electrical circuit provides resistance to the flow of current?

10. Which is the flow of electric charge due to a potential difference across two points in an electrical circuit?