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2 years ago

In order for generators to work, this type of

Physics

2 answers:

Ymorist [56]2 years ago

8 0

In order for generators to work, mechanical energy must be harvested. (C)

Ksju [112]2 years ago

4 0

D need electrical energy

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Why are some atoms radioactive

Dmitry_Shevchenko [17]

Atoms are made of three types of sub-atomic particle: neutrons and protons in the nucleus and electrons orbiting the nucleus. Some materials are radioactive because the nucleus of each atom is unstable and gives out nuclear radiation in the form of alpha particles, beta particles or gamma rays.

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2 years ago

What is ohms law PLEASE ANSWER THIS I NEED IT FAST

Lorico [155]

Answer:

Ohms law states that current is directly proportional to the potential difference across the ends of a conductor provided that temperature and other factors kept constant

$V=I(R)$

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2 years ago

Select the correct answer from each drop-down menu.

-Dominant- [34]

Answer:

And the force of ( Attraction or repulsion) between the poles A and D ( maximum or minimum)

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2 years ago

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Two water balloons of mass 0.75 kg collide and bounce off of each other without breaking. Before the collision, one water balloo

bagirrra123 [75]

By the law of momentum conservation:-
=>m¹u¹ + m²u² = m1v1 + m²v² {let East is +ve}
=>u¹ + u² = v¹ + v² {as m1=m2}
=>3.5 - 2.75 = v1-1.5
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2 years ago

Horace has invented a unique pair of reading glasses that have two small light bulbs at the bottom wired in series, so that he c

ElenaW [278]

Answer:

The current drawn by Horace’s reading glasses is 0.8 A.

Explanation:

Given that,

Resistance of each bulb, R = 2 ohms

Voltage of the system, V = 3.2 volts

These two bulbs are connected in series. The equivalent resistance will be 2 ohms +2 ohms = 4 ohms

Let I is the current drawn by Horace’s reading glasses. Using Ohm's law to find it such that :

$V=IR\\\\I=\dfrac{V}{R}\\\\I=\dfrac{3.2}{4}\\\\I=0.8\ A$

So, the current drawn by Horace’s reading glasses is 0.8 A.

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3 years ago