Elec 1

Question 1

Definition of voltage and its units

Answer 1

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

Question 2

What is resistivity

Answer 2

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

Question 3

Standard form and full name of the unit u

Answer 3

Micro, x10^-6

Question 4

Standard form and full name of unit p

Answer 4

x10^-12, Pico

Question 5

Standard form and full name of unit n

Answer 5

x10^-9, Nano

Question 6

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

Answer 6

1/gradient, steeper gradient, lower resistance

Question 7

Standard form and full name of unit T

Answer 7

x10^12, Tera

Question 8

Standard form and full name of unit f

Answer 8

x10^-15 Femto

Question 9

What is Ohm’s law

Answer 9

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

Question 10

Standard form and full name of the unit G

Answer 10

x10^9 Giga

Question 11

Standard form and full name of the unit M

Answer 11

x10^6 Mega

Question 12

Standard form and full name of the unit k

Answer 12

x10^3 Kilo

Question 13

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

Answer 13

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

Question 14

Standard form and full name of the unit m

Answer 14

x10^-3 Milli

Question 15

Equation for number of electrons

Answer 15

Total charge/charge of one electron

Question 16

Standard form and full name of the unit c

Answer 16

x10^-2 Centi