Electric Tech Review

What subatomic particles are located outside the nucleus of an atom?

• molecules

• neutrons

• protons

• electrons

• ions

Solve for x. x/5=15.5

• 3.1

• 10.5

• 20.5

• 77.5

What does an atom become when it loses an electron?

• a positively charged proton

• a negatively charged electron

• a neutron

• a positively charged ion

• a negatively charged ion

Solve for b. 3b=12

• 36

• 9

• 4

• 15

Which equation correctly states the relationship between current (l), voltage (V), and resistance (R) for a circuit?

• I = R/V

• V = I/R

• R = V * I

• I = V/R

According to Ohm's law. doing which of the following will cause the current through an electrical circuit to increase?

• decreasing the voltage

• decreasing the resistance

• decreasing the power

• increasing the resistance

Solve for x. 3x + 5 + 6x - 7 = 25

• x = 25

• x = 3

• x = 13

• x = 30

What are the smallest particles of any substance?

• compounds

• atoms

• elements

• matter

Which of the following engineering design steps can be repeated as needed?

• ask

• plan

• improve

• none of the above

• all of the above

Which engineering step is most likely to use a brainstorming process?

• ask

• imagine

• taste

• touch