# Physical Science

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2. Including a full-wave rectifier in an AC circuit will yield a(n) _______ current.
A. continuous alternating
B. continuous direct
C. intermittent direct
D. intermittent alternating

• Physical Science -

6. Which of the following frequencies falls in the range of RF waves used by commercial radio
A. 6,000 Hz
B. 60 Hz
C. 6,000,000 Hz
D. 600,000 Hz

• Physical Science -

The AM broadcast range is 550 kHz to 1600 kHz. Changing to Hz that is 550,000 to 1,600,000. So the answer would be D?
The question is a little misleading since FM is also used in the broadcast range and it is 88-108 MHz.

• Physical Science -

a

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