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kodGreya [7K]
2 years ago
10

4. Wheel grinders need be equipped with a(n):

Engineering
1 answer:
Bogdan [553]2 years ago
6 0
The answer is the B because that is the correct answer
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Please help me with this question​
kap26 [50]

Answer:

The current through each lamp is 0.273 Amperes

Power dissipated in each lamp is 0.082W

Explanation:

Battery v = 1.5 V

Each lamp has resistance, r = 1.1 Ohms

The 5 lamps in series will therefore have total resistance, R = 5 * 1.1 = 5.5 Ohms

The current through each lamp, I = v/R = 1.5 / 5.5 = 0.273 Amperes

Power dissipated in each lamp = I² * r = 0.273² * 1.1 = 0.082W

3 0
3 years ago
When an electron in a valence band is raised to a conduction band by sufficient light energy, semiconductors start conducting __
garri49 [273]

Answer:

This band gap also allows semiconductors to convert light into electricity in photovoltaic cells and to emit light as LEDs when made into certain types of diodes. Both these processes rely on the energy absorbed or released by electrons moving between the conduction and valence bands.

Explanation:

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2 years ago
Can glasses be formed using metallic materials?​
Westkost [7]
Metallic glasses are sometimes formed when molten metal is cooled too fast for its atoms to arrange themselves in a structured, crystalline order. "The material can't decide which crystalline structure it wants to converge to, and a metallic glass emerges
5 0
3 years ago
In the engineering design process, testing is the least important step.<br> True<br> False
Wittaler [7]

Answer:

false

Explanation:

7 0
2 years ago
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Answer:

2) phone

3) snake

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NO EXPLANATION

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