What if the bird sitting on tansmission wire touches both terminal's wire ?why

Answers

Answer 1
Answer: There are no terminals on the wire where the bird is sitting.  If the bird wants terminals,
he must move to one end of the wire, but he will find only one terminal there.  The
other terminal is at the other end of the wire, conceivably hundreds of miles away. 
No species of bird extant in the modern world can accomplish such a span. 
Answer 2
Answer: Because the electrical current is activated

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What is the namefor the ratio of the
voltage applied to
a circuit and the
current in a circuit?

Answers

Answer:

The relationship between voltage and current is called resistance. The relationship between all 3 is called Ohm's Law.

General Formulas and Concepts:
Circuits

Ohm's Law: V = IR

  • V is voltage/EMF
  • I is current
  • R is resistance

Explanation:

Ohm's Law is the fundamental basic for an ohmic surface. All circuits follow Ohm's Law if it is ohmic and assuming all other things constant. It tells the importance of the relationship between voltage, current, and resistance in a given current of a battery, wire, and resistor.

It is wise that you memorize this and understand the relationship between all 3.

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Learn more about EMAG: brainly.com/question/27293828

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Topic: AP Physics C - Electricity and Magnetism

Unit: Circuits

In which of these cases do we have enough information to say that the atom is electrically neutral? A. The atom has 4 neutrons and 4 protons.
B. The atom has 7 protons and 7 electrons.
C. The atom has 19 electrons and 19 neutrons.
 D. The atom has 15 neutrons and 15 electrons.

Answers

So we want to know when do we have enough information about the atom that we can say that it is electrically neutral. So the information we need to know is the number of protons, whic are positively charged particles and the number of electrons which are negatively charged particles. Number of protons has to be equal to number of electrons for the atom to have neutral charge. Neutrons are electrically neutral so their number doesn't change the charge of the atom. So the correct answer is B.
b. 7 protons and 7 electrons, just took the test

State what causes tides on earth

Answers

The mutual gravitational forces of attraction between the Earth
and Sun, plus the mutual gravitational forces of attraction between 
the Earth and Moon, cause the tides on Earth.

I'm taking physics and trying to figure out the 4 questions to this problem.

Answers

Answer:

Explanation:

At t = 1 velocity = 0

At t = 3 velocity = 3

slope of the line = 3-0 / 3-1 = 3/2

At t = 2

velocity = 3/2 x ( 2 - 1 )

= 1.5 m /s

velocity at t = 2 is 1.5 m /s

Position at t = 2 :

displacement at t = 2

area of graph upto  t = 2

= 1 / 2 x 1 x 1.5 = .75

position at t = 2 :

= initial position + displacement

= 10 + .75 = 10.75 m

position at 6 s :

displacement at t = 6

area of curve upto  t = 6

= 1 / 2 x 2 x 3 +  3 x 3 + 1/2 x 3 x ( 4.5 - 3 )

= 3 + 9 + 2.25

= 14.25 m

position at t = 6

= initial position + displacement

= 10 + 14.25 = 24.25 m

position at 9 s :

displacement at t = 9

area of curve upto  t = 9

= 1 / 2 x 2 x 3 +  4 x 3 + 1/2 x 4 x ( 5 - 3 )- 1/2 x 2 x 1.5

= 3 + 12 + 4 - 1.5

= 17.5  m

position at t = 9

= initial position + displacement

= 10 + 17.5 = 27.5  m

A wire that is 0.36 meters long moves perpendicularly through a magnetic field at a speed of 0.21 meters/second. The induced emf produced in the wire is 0.45 volts. What is the magnetic field strength?

Answers

Answer:

Magnetic field strength, B = 5.95 Tesla

Explanation:

It is given that,

Length of wire, l = 0.36 m

It is moving perpendicularly through a magnetic field at a speed of, v = 0.21 m/s

Induced emf, E = 0.45 volts

The mathematical expression for induced emf is given by :

E=(d\phi)/(dt)=Blv

(d\phi)/(dt) is the rate of change of magnetic flux,

B is magnetic field

So, B=(E)/(lv)

B=(0.45)/(0.36* 0.21)

B = 5.95 Tesla

Hence, this is the required solution.

0.034 newtons/ampĀ·meter

As current flows through a uniform wire, the wire gets hotter because the electrons stop moving and therefore transform their lost kinetic energy into thermal energy in the wire. as current flows through a uniform wire, the wire gets hotter because the electrons stop moving and therefore transform their lost kinetic energy into thermal energy in the wire. a. True


b. False

Answers

True?... I could be wrong

Answer:

The answer is false

Explanation:

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