Solve my physics homework for me. thank you (and when you’re answering the questions, don’t answer with “option 1” for example, put the full answer. and please make it quick because this is due in like an hour. these are the rest of the questions because i couldnt fit them all in the previous one)
11. 500 electrons are moved from a neutral sphere A to a neutral sphere.
The charge on sphere A is ______ units.
The charge on sphere B is ______ units.
1. -500/-500
2. +500/+500
3. -500/+500
4. +500/-500
12. Two metal spheres A and B are initially neutral. 200 electrons are taken from sphere A and transferred to sphere B.
Fill in the blanks.
The spheres acquire charges of ________ magnitude and ______ sign.
1- equal/same
2- unequal/same
3- equal/opposite
4- unequal/opposite
13. Two metal spheres A and B are initially neutral. An electron is taken from sphere A and transferred to sphere B.
The energy spent to transfer the electron is stored as ____________ energy.
1- thermal
2- kinetic
3- electric potential
4- light
14. Consider two neutral spheres A and B. An electron is removed from A to B.
Which of the following statements are true? Select all that apply.
1- Some of the energy is lost when the electron travelled from A to B.
2- Sphere A remains neutral.
3- The energy supplied is stored as electric potential energy.
4- Sphere B becomes negatively charged.
5- The electric potential energy of the system decreases.
15. Consider two oppositely charged spheres A and B. Sphere A is positively charged and sphere B is negatively charged.
Which of the following statements are true? Select all that apply.
1- When an electron moves from B to A, energy is released.
2- When an electron moves from A to B, energy is released.
3- Moving an electron from A to B does not require energy.
4- Moving an electron from A requires energy from an external source.
5- Adding an electron to B requires work to be done by an external source.
16. Which of the following are true about resistors? Select all that apply.
1- They can be used as heaters.
2- They convert electric energy into thermal energy.
3- They have only one terminal.
4- They reduce the flow of electrons through them.
17. Which of the following are examples of man-made sources of electricity? Select all that apply.
1- solar panels
2- lightning bolts
3- batteries
4- electric eels
5- electric generators
18. Which of the following statements are true about a nucleus? Select all that apply.
1- It is surrounded by electrons.
2- It is negatively charged.
3- It is positively charged.
4- It is electrically neutral.
5- It is formed of protons and neutrons.
19. An atom consists of 6 protons, 8 neutrons, and 6 electrons.
The nucleus of the atom has a charge of ____ units.
1. +6
2. -6
3. +14
4. -12
5. 0
20. Two identical bulbs are connected in parallel to a cell. If the current in the main circuit is 2A, what is the current flowing in each bulb?
1. 2A
2. 1A
3. 0A