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electric charges that are different

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

0 0 2,839
asked by Anonymous
Mar 31, 2015
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.

0 9
👩‍🏫
Ms. Sue
Mar 31, 2015
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

2 3
posted by Anonymous
Mar 31, 2015
12 is a 13 is b 8 is b 5 is c 4 is b 2 is b

1 0
posted by Dr.Bob
Nov 4, 2015
ababccabcabab true
100%

0 1
posted by connections student
Dec 19, 2015

connections student is correct.

0 1
posted by Anonymous
Mar 3, 2016
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!

45 0
posted by Olivia
Mar 14, 2016
Olivia is 100% correct

8 0
posted by shes right
Mar 24, 2016
Olivia is correct.

8 0
posted by Johanna
Mar 28, 2016
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] 13 0
    posted by Lily
    May 10, 2016

Olivia is correct

5 0
posted by Katrina Petrova
Jan 17, 2017

  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

5 0
posted by TEA
Apr 22, 2017

  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

2 0
posted by boo
Apr 26, 2017
thanks

1 0
posted by jo gibson
May 17, 2017
dude just stop. XD btw Olivia thank you

2 0
posted by Anonymous
Feb 26, 2018

Olivia is correct is promise

1 0
posted by Anonymous
Feb 26, 2018
Btw thx ppl that posted the answers (sorry i forgot all ur names)

2 0
posted by no name 4 u lol
Apr 9, 2018
Why did I just scroll through all this?

4 0
posted by Why
Apr 18, 2018
olivia is correct. 100%. thank you

0 0
posted by alexa
Dec 4, 2018

  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 0 0
    posted by Hal
    Mar 9, 2019

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