Explanation

Explanation

In regular wood, the speed of sound is 3300-5000 m/s.

In hardwood, the Speed of sound is 3960 m/s.

MUG 11-12-2022

Explanation

• Transformers are used to change AC voltage levels,
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• AC stands for 'alternating current' which means the current constantly changes direction.
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• concept about transformer:
• A transformer is a device that transfers electric energy from one alternating-current circuit to one or more other circuits, either increasing (stepping up) or reducing (stepping down) the voltage
  

Explanation

• If we consider the time between melting point and boiling point, then we get the liquid state of the substance.

Explanation

•  nylon  is a synthetic fiber
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• Rayon, Polyester, Nylon, Acrylic, and Plastic are the different types of synthetic fibers.
  

Explanation

The four main types of steel:

1. Carbon Steel,
2. Alloy Steel,
3. Tool Steel
4. Stainless Steel.
   

Explanation

Explanation

Lenz's law is a consequence of the law of conservation of energy. The law of conservation of energy states that energy can neither be created nor be destroyed.

AGM 25-12-2022

Explanation

Bronze is an Alloy consisting primarily of copper, commonly with about 12-12.5% tin .

MUG 11-12-2022

Explanation

Mixture of two metals is called an Alloy.

An alloy is a homogenous mixture of two or more metals or non-metals or nonmetals mixed in a molten state