E. Theory Unit#2 EXAM

Conventional current flow theory states that current flows from________, to________ .

(a)  

The theory concerning current flow that is most widely accepted as being correct is the (a)   flow theory.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Using Ohm’s law chart, resistance can be found when power and current are known, represented by R=P/I^2.

• True

• False

Using Ohm’s law chart, current can be found when power and voltage are known, represented by I=P*E.

Using Ohm’s law chart, power can be found when voltage and current are known, represented by E=I*R.

• True

• False

In engineering notation, what is the third prefix below the base unit known as?

• a. milli

• b. micro

• c. nano

• d. pico

What is the flow of electron through a conductive substance?

• a. current

• b. voltage

• c. wattage

• d. cycle

Tags

NGSS.HS-PS2-5

On the Ohm’s law chart, what do you use to find resistance when current and power are known?

• a. I=P/E

• b. P=E*I

• c. R=P/(I^2)

• d. I=E/R

In engineering notation, what is the first prefix above the base unit known as?

• a. kilo

• b. mega

• c. giga

• d. milli

On the Ohm’s law chart, what do you use to find current when power and voltage are known?

• a. I=P/E

• b. P=E*I

• c. E=I*R

• d. I=E/R