Answer:
Steinmetz' experiments on power losses in the magnetic materials used in electrical machinery led to his first important work, the law of hysteresis. This law deals with the power loss that occurs in all electrical devices when magnetic action is converted to unusable heat.
Explanation:
The answer to this question is the ARCH and CONCRETE. Arch is
a curve structure that was used by the Ancient Romans. Arches have different
forms that produce vaults and arcades. While concrete is a composite material
that is formed by mixing of cement and by sand, gravel, or stones.
This concept is called communism. It was founded b Karl Marx and Freidrich Engels in the 1800s.<span />
Answer:
A joint-stock trade group created by the British Parliament, however still private. It faced a financial problem in the 1760's when Britain bought too much Chinese
Explanation:
I'm pretty sure the answer is B
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