Question

While performing chores, Maria noticed that she would get shocked each time she touched her washing machine. Which of the following statements is not a reasonable explanation for what could have been happening?

A. Electricity had built up in the washing machine.
B. There was a ground wire attached to the outlet.
C. Since electricity flows "downhill," it was trying to travel through Maria to reach the Earth.
D. There was no third-prong option in the plug or outlet.

Answer 1

@Photon336

Answer 2

hello

Answer 3

@Photon336 omg ty

Answer 4

it said it was incorrect

Answer 5

i have another chance to get it right

Answer 6

what??

Answer 7

it was incorrect

Answer 8

@whpalmer4

Answer 9

@whpalmer4

Answer 10

@caozeyuan

Answer 11

which is incorrect?

Answer 12

C

Answer 13

I guess D

Answer 14

A, B not very sound, so probavbly D

Answer 15

ok thanks, do u have time for a couple more?

Answer 16

sure

Answer 17

Which of the following statements is the most accurate?

A. Energy transfer is completely efficient.
B. Energy transfers can be used to create perpetual-motion machines.
C. Energy cannot be transferred to other forms.
D. Energy transfers are never 100% efficient.

Answer 18

well, D you always waste energy somewhere

Answer 19

i was think that too

Answer 20

A particular power source contains a chemical that releases electrons on one side and a chemical that accepts the electrons on the other side. This flow of electrons from one side to the other provides power. What power source does this process describe?

A. An electric cord
B. A battery
C. An electromagnet
D. An electric outlet

Answer 21

B, I guess

Answer 22

agreed

Answer 23

i got this one wrong last time

Answer 24

Which power source uses the rotation of giant magnets to create electricity, which is then directed to the electric outlets in people's homes?

A. An electric generator
B. An electric battery
C. An electric motor
D. Electromagnetism

Answer 25

i think i put A

Answer 26

but now i think its C

Answer 27

Nom A is correct, motor means generation of motion from electricity and generator is well, a generator

Answer 28

it was right (:

Answer 29

Before dinner, Mr. Larsen pushes his daughter Sally on her swing for a few minutes. The chain creaks and rubs against the metal hook at the top of the bar as she swings through the air. After he stops pushing her, she slows down and eventually stops. This example shows that:

A. energy is converted between forms with complete efficiency.
B. energy is destroyed by friction and vibration.
C. energy is transferred to friction and vibration as it is converted between different forms.
D. energy is created as Sally's dad begins to push her

Answer 30

looks like C is the best

Answer 31

A malfunction at a power station causes a power surge in certain homes near the station. Some televisions and computers begin malfunctioning in the affected areas. What should the home owners purchase to protect their devices from future problems such as this?

A. A surge protector
B. A ground wire
C. A circuit board
D. A circuit protector

Answer 32

A or D

Answer 33

im thinkin a little more A tho

Answer 34

@FortyTheRapper

Answer 35

Idk. Would it be A? We use those alot in the real world atleast, like when we buy the 5 set electrical outlets to plug all our computers, tvs, etc. That's why our technology doesn't go out every 5 minutes