The copper wire and bulb is connected in a series with 220 V electric supply. Why only an electric bulb glows where as the copper wire remains the same.Give REASON to support the answer.

Answers

Answer 1

Answer: -- In a series circuit, the current ( I ) is the same at every point.

-- The power dissipated by any section of the circuit is I² x Resistance.

-- The wire has very low resistance, so I²R is very low dissipated power.

-- The filament in the bulb has most all of the resistance in the circuit,
so it dissipates virtually all the power of the circuit, and certainly much
more than the wires do.

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The toxic effects of water pollution are generally

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The toxic effects of water pollution are generally very harmful for all living animals and plants. Numerous water borne diseases can effect animals and humans in the same way and can even lead to death. The toxic effects of water can make the temperature of the water rise. Also it can effect the conductivity and acidity of water.

PLEASE HELP*******use the table to find the acceleration of the object for the time interval 1.0 to 4.0 seconds

Answers

Answer:

acceleration for time interval from 1 sec to 4 second is 1.5 metre/second^2

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An object with a mass of 6.3 kg has a force of 7.1 newtons applied to it.The resulting acceleration of the object is __ with the unit of ___.

Answers

The object of mass with 6.3 Kg will have an acceleration of 1.12 m/s² if a force of 7.1 Newtons is applied.

What is force?

Force is an external agent acting on a body to change its motion or to deform it. There are various kinds of forces such as gravitational force, magnetic force, nuclear force etc.

Acceleration is a physical quantity that measures the rate of change in velocity of a body. Like force, it is a vector quantity. As per Newton's second law of motion, force is the product of mass and acceleration.

Hence, F = m a

given that, m = 6.3 Kg

F = 7.1 N.

then a = F/m

a = 7.1 N/6.3 kg

= 1.12 m/s²

Therefore, the acceleration of the object is 1.12 m/s².

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Answer:

F=ma

7.1=6.3×m

7.1÷6.3=m

m=1.126 kg

Electtromagneticradiation

Answers

Electromagnetic Radiation behaves something like a wave and sometimes like a stream of particles.

Th definition is the energy released by an electromagnetic process.

a truck travels up a hill with a 13.0 ◦ incline. the truck has a constant speed of 21.0 m/s. what is the horizontal component of the truck’s velocity?

Answers

Answer:

20.46m/s

Explanation:

$21 * \cos(13) = 20.46$

How do you increase
kinetic energy of an apple

Answers

In order to give the apple more kinetic energy than it has right now,
you must make it move faster than it is moving right now. You could
drop it, roll it, toss it, or gingerly place it in a moving car or airplane.
Whatever method you select, motion ... specifically speed ... is the
key to kinetic energy.

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