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How is an aircraft's current supply provided?

1. Battery
2. Generator
3. Relay
4. Circuit breaker

  • A

    1 and 4

  • B

    3 and 4

  • C

    2 and 3

  • D

    1 and 2

Refer to figure.
An aircraft's current supply is primarily carried out by:

  • Battery
  • Generator

The battery provides electrical power for starting the engine and during periods when the generator is not operating, while the generator supplies power to the electrical system during flight.

On the other hand, relays are electrically operated switches used in various systems.

Circuit breakers are crucial components in aircraft electrical systems. They serve as protective devices to ensure the safety and reliability of electrical circuits.

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