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SI Units

SI Divisor Prefixes

A capacitor is specified as having a value of $0.00{9}{9} \,\mu\text{F}.$ What is this value in picofarads?

99 \text{ pF}

990 \text{ pF}

9900 \text{ pF}

99000 \text{ pF}

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An inductor has a value of $0.2 9 \text{ mH}.$ What is this in microhenrys?

29\,\mu\text{H}

290\,\mu\text{H}

2900\,\mu\text{H}

29000\,\mu\text{H}

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Find the expression for a particular electric current $3.7 \times 10 ^{-6} \text{ A}$ by using the appropriate prefix of SI units.

37 \text{ mA}

3.7 \text{ mA}

37 \text{ pA}

3.7 \text{ } \mu \text{A}

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Which of the following prefixes represents $1 \text{ micro } \times 1 \text{ nano }$ of a given unit?

1 \text{ pico}

1 \text{ femto}

1 \text{ hecto}

1 \text{ atto}

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Which of the following symbol of prefixes represents $10^{-6}$ of a given unit?

d c n

\mu

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