PHYSICS HIGH SCHOOL

Which would not increase voltage and generate an electrical current?A. a car battery

B. a thick wire

C. a solar cell

D. a generator

Answers

Answer 1
Answer:

Answer: The correct answer is a thick wire.

Explanation:

In the given options of the problem, a car battery is needed to generate an electrical current. It forces the electrons to flow. It makes the current flow in the circuit.

Solar cell is a device which converts the solar energy into the electrical energy. It can increase the voltage and generate an electrical current.

Generator is a device which converts the mechanical energy into the electrical energy. It can increase the voltage and generate an electrical current.

A thick wire is not used to increase voltage and generate an electrical current. The thick wire has low resistance in comparison to the thin wire.

Therefore, the correct option is (B).
Answer 2
Answer: B. A thick wire   
I think this is right, hope this helps

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How many nitrogen atoms are in one molecule of (NH4)2SO4?

Answers

15 nitrogen atoms are in one molecule

Final answer:

In one molecule of (NH4)2SO4 or ammonium sulfate, there are two nitrogen atoms.

Explanation:

The molecule (NH4)2SO4 is known as ammonium sulfate. This molecule is composed of two ammonium ions (NH4) and one sulfate ion (SO4). The ammonium ion consists of one nitrogen atom (N) and four hydrogen atoms (H). Because the formula indicates there are two ammonium ions (as shown by the subscript '2'), this means the overall molecule of ammonium sulfate contains two nitrogen atoms.

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What are density conversions

Answers

\rho= (kg)/(m^3) = (g)/(cm^3) = (g)/(dm^3) \ and \ many \ others.

Newtons third law of motion is also known as the law of ?

Answers

according to newton third law every action has equal and opposite reaction but opposite and equal reaction act on different bodies. it means that equal force are act on reaction force that is it is also known as reciprocal law of motion.
 
Newtons 3rd Law can also be called Law of Reciprocal Action 

If a neutral metal comb is held near an object with a negative charge the comb will become charged by?options

A. induction
B.contact
C.friction
D.static discharge

Answers

the answer is d because it sets of a negative pulls type thing that makes it negative

Which of these is equivalent to the law of conservation of energy?A. The total mechanical energy is always conserved.
B. Friction is a nonconservative force.
C. Kinetic energy can be transformed into thermal energy.
D. The total energy of all types remains the same in a closed system.

Answers

The Law of the Conservation of Energy is stating that the total mechanical energy is always conserved or in simpler terms, not used or saved.

Answer: The correct option A.

Explanation:

  • Law of conservation of energy states that energy can neither be created nor be destroyed. But it can be transformed from one form to another.
  • Law of conservation of Mechanical energy  states that mechanical energy of the closed system remain constant until dissipative forces are absent. This means that potential energy gets converted in kinetic energy or vice versa.

Mechanical energy is defined as the sum of the both potential and kinetic energies.

M.E = P.E + K.E

So, from the given options the correct answer is option A.

Who was the woman to win Nobel Prize in physics in 1903?

Answers

Answer:

Marie Curie

Explanation:

She was a physicist and chemist and also the first person to win the Nobel prize in physics
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