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Axis_Communications

AX0-100 · Question #64

In many places 24 V AC has been popular as a power source but now 12 V and 24 V DC is increasing in popularity because

The correct answer is B. It is easier to back-up DC with battery. See the full explanation below for the reasoning.

Question

In many places 24 V AC has been popular as a power source but now 12 V and 24 V DC is increasing in popularity because

Options

  • AThere is more energy in DC.
  • BIt is easier to back-up DC with battery.
  • CThere is less power loss in cables with DC.
  • DThere is less risk for surge with DC.

How the community answered

(22 responses)
  • A
    5% (1)
  • B
    77% (17)
  • C
    14% (3)
  • D
    5% (1)

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