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Question

A signal is measured at two different points. The power is P1 at the first point and P2 at the second point. The dB is 0. This means ________.

a.

P2 is zero

b.

P2 equals P1

c.

P2 is much larger than P1

d.

P2 is much smaller than P1

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Answer: (b).P2 equals P1

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Q. A signal is measured at two different points. The power is P1 at the first point and P2 at the second point. The dB is 0. This means ________.

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