Elec 1 Flashcards

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1
Q

Definition of voltage and its units

A

Energy transferred per coloumb of charge
Unit: Volt, or J/C

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2
Q

What is resistivity

A

The constant of proportionality for the relationship between resistance and length, and the resistance and cross sectional area

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3
Q

Standard form and full name of the unit u

A

Micro, x10^-6

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4
Q

Standard form and full name of unit p

A

x10^-12, Pico

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5
Q

Standard form and full name of unit n

A

x10^-9, Nano

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6
Q

Resistance if current on y-axis, voltage on x-axis

A

1/gradient, steeper gradient, lower resistance

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7
Q

Standard form and full name of unit T

A

x10^12, Tera

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8
Q

Standard form and full name of unit f

A

x10^-15 Femto

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9
Q

What is Ohm’s law

A

The P.D. flowing trough a component is directly proportional to the current flowing though it, if external conditions remain condtant

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10
Q

Standard form and full name of the unit G

A

x10^9 Giga

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11
Q

Standard form and full name of the unit M

A

x10^6 Mega

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12
Q

Standard form and full name of the unit k

A

x10^3 Kilo

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13
Q

What is the definition of current and what’s its units

A

The amount of charge (in coloumbs) passing a point on a circuit each second, measured in amps or C/s

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14
Q

Standard form and full name of the unit m

A

x10^-3 Milli

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15
Q

Equation for number of electrons

A

Total charge/charge of one electron

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16
Q

Standard form and full name of the unit c

A

x10^-2 Centi