你可能感興趣的試題

單項(xiàng)選擇題

Each time the distance from the speaker is doubled， volume decreases by（）.

A.3dB
B.6dB
C.12dB
D.24dB

單項(xiàng)選擇題

According to Ohm’s Law， which of the following is correct？（）

A.As voltage increases， resistance decreases
B.As amperage decreases， resistance decreases
C.As resistance decreases， amperage increases
D.As resistance increases， voltage increases

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你可能感興趣的試題

Each time the distance from the speaker is doubled， volume decreases by（）.

According to Ohm’s Law， which of the following is correct？（）

Each time the distance from the speaker is doubled， volume decreases by（）.

According to Ohm’s Law， which of the following is correct？（）