單項選擇題

The sub-multiple prefix "milli" (m) means （）.

A.one thousandth (10 to the -3rd power)
B.one millionth ( 10 to the -6th power)
C.one billionth ( 10 to the -9th power)
D.one trillionth (10 to the -12th power)

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單項選擇題

A “dead front” switchboard is one （）.

A.without switches on it
B.with insulated switches and no exposed terminals
C.without circuit breakers
D.without safety hand nails nor rubber mats

單項選擇題

The total resistance of a parallel circuit is always （）.

A.larger than the greatest branch resistance
B.smaller than the lowest branch resistance
C.equal to the sum of the individual branch resistances
D.one-half the sum of the individual branch resistances

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The sub-multiple prefix "milli" (m) means （）.

你可能感興趣的試題

A “dead front” switchboard is one （）.

The total resistance of a parallel circuit is always （）.