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Liono4ka [1.6K]
3 years ago
6

In order to increase the speed in a gear system

Physics
1 answer:
Ludmilka [50]3 years ago
6 0

Answer:

the driving gear must be larger than the driven gear

Explanation:

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1. If 800 C of electric charge passed through a light bulb in 4 min; what is the mag
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The electric current passing through the bulb would be 3.3A

<u>Explanation:</u>

Given:

Electric charge, q = 800C

Time, t = 4 min

           = 4 X 60 sec

           = 240 sec

Electric current, I = ?

We know,

Current  = \frac{Charge}{Time}

On substituting the value we get:

I = \frac{800}{4 X 60} \\\\I = 3.3A

Thus, the electric current passing through the bulb would be 3.3A

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2 years ago
The radius of an atom can be measured directly?
Marrrta [24]
The radius of an atom can not be measured directly sir. So false
4 0
3 years ago
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How many atoms of sodium do you have if you have one mole of sodium?
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Answer:

multiply the number of moles of Na by the conversion factor 6.02214179×1023 atoms Na/ 1 mol Na, with 6.02214179×1023 atoms being the number of atoms in one mole of Na (Avogadro's constant), which then allows the cancelation of moles, leaving the number of atoms of Na.

3 0
3 years ago
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The density of atmosphere (measured in kilograms/meter3) on a certain planet is found to decrease as altitude increases (as meas
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7 0
2 years ago
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Will an electromagnet be obtained if steel is placed inside the solenoid?​
iogann1982 [59]

Answer:A solenoid is a simple electromagnetic device consisting of a coiled electric wire, wrapped in a 3D circular pattern. When electric current is passed through the wire, the solenoid acts like a magnet with N and S poles at the ends of the coil.

When a ferromagnetic material rod is permanently placed inside the solenoid, the metal greatly increases the magnetic effect and becomes a permanent electromagnet. Moreover, it can also be used as an electrical switch by drawing in or pushing out a ferromagnetic material like an iron rod. Depending on the directions of the rod and the electrical current the switching action takes place.

Given figure  represents the solenoid as electromagnet and the switching action.

Explanation:

7 0
3 years ago
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