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C&G Unit 2365-602: Principles of Electrical Science > SI Units > Flashcards

SI Units Flashcards

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1
Q

What unit is the default measurement of Length?

A

Metres

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2
Q

What is the symbol for the SI unit for Area?

A

a = area

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3
Q

What is the abbreviation for volume?

A

Metres cubed
(m3)

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4
Q

What is the kilogram a measurement of?

A

Mass

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5
Q

What unit is the default measurement of density?

A

Kilograms/ metre cubed

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6
Q

What is the symbol for the SI unit for Time?

A

Second

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7
Q

What is the abbreviation for temperature celsius?

A

°C

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8
Q

What is the abbreviation for velocity?

A

m/s
metres per second

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9
Q

What is the ohm a measurement of?

A

Electrical Resistance, Impedance, Inductive Reactance and Capacitive Reactance

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10
Q

What unit is the default measurement of resistivity?

A

Rho (P)

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11
Q

What is the symbol for the SI Unit for Power?

A

P (Watts)

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12
Q

What is the abbreviation for frequency?

A

f (Hertz)

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13
Q

What is the ampere a measurement of?

A

Electrical current

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14
Q

What is the default measurement of electrical potential/ potential difference/ electromotive force?

A

Volt (V)

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15
Q

What is the symbol for the SI Unit for the Joule?

A

E (Energy)

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16
Q

What is the abbreviation for Impedance?

A

Ω (ohm)

17
Q

What is the Henry a measurement of?

A

Inductance

18
Q

What is the default measurement of Inductive Reactance?

A

Ohm (Ω)

19
Q

What is the symbol for the SI Unit for Capcitance?

A

C (Farad)

20
Q

What is the abbreviation for Capacitive Reactance?

A

Ω (Ohms)

21
Q

What is the SI unit for Power Factor?

A

cos θ (cosine x theta)

22
Q

What is the SI unit used for Magnetic Flux Density?

A

Tesla (T) also written as Wb/m² or represented by β

23
Q

What is the SI unit used for Magnetic Flux?

A

Weber (Wb) also represented by the greek letter Phi: Φ

24
Q
A

C&G Unit 2365-602: Principles of Electrical Science (6 decks)

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