Which Statement Is True of Passive Radio Frequency Identification (RFID)tags

question 51

Multiple Choice

Which statement is true of passive radio frequency identification (RFID) tags?

• A)They have no internal power supply.
• B)They have a shorter life expectancy than active RFID tags.
• C)They do not require an antenna to absorb signals.
• D)They are more reliable than active RFID tags.

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Definitions:

Compensating Winding

A winding used in electrical machines to reduce unwanted effects of armature reaction, improving performance.

Neutral Plane

The region in a rotating electrical machine where the magnetic field does not induce any electromotive force in the armature.

Synchronous Winding

A winding configuration in an electric machine that operates at a speed directly proportional to the frequency of the electric power supply.

Repulsion Motor

A type of single-phase motor that uses repulsion of magnetism to operate.