Module 1

Question 1

Length

Answer 1

Meter, m

Question 2

Mass

Answer 2

Kilogram, kg

Question 3

Time

Answer 3

Seconds, s

Question 4

Thermodynamic temperature

Answer 4

Kelvin, K

Question 5

Amount of substance

Answer 5

Mole, mol

Question 6

Charge

Answer 6

Coulombs, C

Question 7

Frequency

Answer 7

Hertz (Hz), 1/s

Question 8

Force

Answer 8

Newton (N), kg*m/s^2

Question 9

Energy or Work

Answer 9

Joule (J), Nm

Question 10

Power

Answer 10

Watt (W), J/s

Question 11

Electrical Current

Answer 11

Ampere (A), C/s

Question 12

Electric potential

Answer 12

Volt, (V), J/C

Question 13

Electric resistance

Answer 13

Ohm (Ω), V/A

Question 14

Electric conductance

Answer 14

Siemens (S), A/V

Question 15

Electric capacitance

Answer 15

Farad (F), C/V

Question 16

Magnetic Flux

Answer 16

Weber (Wb), Vs

Question 17

Inductance

Answer 17

henry (H), Wb/A

Question 18

Electric circuit

Answer 18

An interconnection of electrical elements

Question 19

Charge

Answer 19

Charge is what a person feels when he/2 walks across a carpet and receives a shock when touching a metal object. The shock comes from electrons being changed with the surroundings. This electric charge is measured in coulombs

Question 20

Coulomb

Answer 20

1electron = 1.602x10^-19 C

Question 21

What is current mathematicaly

Answer 21

The first derivative of charge with respect to time. i=dq/dt

Question 22

Electric current

Answer 22

Time rate of change of charge, measured in amperes

Question 23

Direct current

Answer 23

If an electric current only flows in one direction and does not change with time

Question 24

Alternating current AC

Answer 24

Occurrent that various sus so in time, does change direction

Question 25

Voltage

Answer 25

Voltage is a potential difference, the voltage between two points can be defined as being the energy required to move a charge from one point to another

Question 26

Voltage, mathematically

Answer 26

Vab = dq/dq , V= J/C = Nm/C