science PLZ HELP

electric charges that are different
A) attract each other
B) repel each other
C) exist in pairs
D) do not interact

Magnetic field lines around a bar magnet
A) are only perpendicular to the magnet
B) spread out from one pole and curve around the other
C) cross back and forth over one another
D) are perfectly straight

which of the following would decrease the magnetic field around the wire?
A) decreasing the current
B) reversing the The polls of the wire
C) looping a section of the wire into a solenoid
D) increasing the current

What device transforms electrical energy into mechanical energy?
A) an electromagnet
B) an electric motor
C) a generator
D) a solenoid

A device used to open and close an electric circuit is a(n)
A) light bulb
B) energy source
C) switch
D) resistor

According to Ohm's law resistance is equal to voltage devided by
A) time
B) conduction
C) current
D) potential

In a series circuit with three bulbs
A) The remaining two bolts will go out if one bulb burns out
B) The remaining two bulbs are not affected if one bulb burns out
C) The brightness of the light bulbs does not change if more bulbs are added
D) a switch is never used

The strength of the force of gravity depends on
A) The masses of the objects in their speeds
B) The masses of the objects and the distance between them
C) The weight of the objects in their speeds
D) The masses of the objects in their weight s

According to Ohm's law what is the resistance of a light bulb if the applied voltage is 9.0 V and the current is 0.30 amps?
A) 0.033 ohms
B) 2.7 ohms
C) 30 ohms
D) 8.7 ohms

An example of an insulator is
A) rubber
B) copper
C) silver
D) iron

The force of gravity on Jupiter is much stronger than the force of gravity on earth. Which of the following explains why this is true?
A) Jupiters orbit is farther away from the sun then earths orbit
B) Jupiter has more mass than earth
C) jupiters orbit is closer to the sun than earths orbit
D) Jupiter has less mass than earth

An electric current produces a
A) magnetic field
B) magnet
C) solenoid
D) insulator

A generator transforms
A) potential energy to kinetic energy
B) mechanical energy into electrical energy
C) mechanical energy into electrical energy
D) friction into electrical energy

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  1. Do you think your school approves of these test questions posted here?

    It looks to me like you're wanting to cheat and have someone else give you these answers.

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    👤
    Ms. Sue
  2. No I just forgot to give my answers. Sorry my answers are
    1) A
    2) d
    3) a
    4) b
    5) c
    6) c
    7) a
    8) d
    9) ?
    10)?
    11)b
    12) b
    13)d

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  3. 12 is a 13 is b 8 is b 5 is c 4 is b 2 is b

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  4. ababccabcabab true
    100%

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  5. connections student is correct.

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  6. The correct answers are:

    1. a
    2. b
    3. a
    4. b
    5. c
    6. c
    7. a
    8. b
    9. c
    10. a
    11. b
    12. a
    13. b
    14. true

    I promise these are correct. I took the test. Hope this helps!

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  7. Olivia is 100% correct

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  8. Olivia is correct.

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  9. Just took the practice, these are the answers. In this order 1 - 14.
    1. A
    2. B
    3. A
    4. B
    5. C
    6. C
    7. A
    8. B
    9. C
    10. A
    11. B
    12. A
    13. B
    14. A [true]

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  10. Olivia is correct

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  11. 1. A
    2. B
    3. A
    4. B
    5. C
    6. C
    7. A
    8. B
    9. C
    10. A
    11. B
    12. A
    13. B
    14. A

    100%

    Thanks olivia also if anyone has the unit test answers for this unit please provide them

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  12. 1. a
    2. b
    3. a
    4. b
    5. c
    6. c
    7. a
    8. b
    9. c
    10. a
    11. b
    12. a
    13. b
    14. true

    10000000

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  13. thanks

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  14. dude just stop. XD btw Olivia thank you

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  15. Olivia is correct is promise

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  16. Btw thx ppl that posted the answers (sorry i forgot all ur names)

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  17. Why did I just scroll through all this?

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  18. olivia is correct. 100%. thank you

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  19. 1. A
    2. B
    3. A
    4. B
    5. C
    6. C
    7. A
    8. B
    9. C
    10. A
    11. B
    12. A
    13. B
    14. True

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  20. Hal is 100% correct!

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  21. Hal is correct

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  22. 100%

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  23. thanks for the answers, Olivia

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  24. Thanks for the answer's Olivia :D

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  25. Olivia ty. Arigato.

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  26. 1. A
    2. B
    3. A
    4. B
    5. C
    6. C
    7. A
    8. B
    9. C
    10. A
    11. B
    12. A
    13. B
    14. True
    100%14/41๐Ÿ˜™โ˜บ๐Ÿ˜š๐Ÿฅฐ๐Ÿ˜‡โœ‹โœจ๐ŸคŸโคโšก๐Ÿ˜ฎ๐Ÿ’˜๐Ÿ’Œ๐Ÿ’žโฃ๐Ÿ–ค๐Ÿ‘๐Ÿ˜Ž๐Ÿ˜Š๐Ÿ˜‰๐Ÿ˜˜๐Ÿ˜‚โœŒ๐Ÿ˜๐Ÿ˜ƒ๐Ÿ˜Œ๐Ÿ‘ง๐Ÿพ๐Ÿงก๐Ÿ’›๐Ÿค‘๐Ÿ’š๐Ÿ’™๐Ÿ’œ๐Ÿ’—โœ”๐Ÿฑโ€๐Ÿ๐Ÿฑโ€๐Ÿ‘ค๐ŸŽถ๐ŸŽ‰๐Ÿ’–๐Ÿคค๐Ÿ‘Œ๐Ÿ’Ÿ๐Ÿ˜›๐ŸŒ๐Ÿ’“๐Ÿ˜œ

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  27. All of these people are correct:
    1. connections student
    2. Olivia
    3. Lily
    4. TEA
    5. boo
    6. Hal
    7. COCO
    I accidentally clicked C for #4. But those people are correct 100%.

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  28. Thanks to everyone who has hepled me get through sceince this year. Without you guys I probably would have failed sceince this semester.

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  29. Olivia is correct. Thanks Olivia :)

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  30. Thanks for the answers! I'm really behind in science so this really saved me!

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  31. Thanks, Olivia

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  32. Tank you Olivia, also for some reason my sister has school work tomorrow

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  33. THANK YOU SO MUCH OLIVIA!!!!!!

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  34. Olivia is right 2021, thank you

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  35. lol im backk comon mann

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  36. Olivias still correct!

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