Answer:
10,000 amps
Explanation:
Resistance welding is a fusion welding process that requires the application of both heat and pressure to achieve a sound joint. The simplest form of the process is spot welding where the pressure is provided by clamping two or more overlapping sheets between two electrodes .
Resistance Welding is a thermo-electric process where heat is generated at the interface of the parts to be joined by passing an electrical current through them or a precisely controlled time and under a controlled pressure (also called force.
Therefore, to get the 10,000 amps needed for resistance welding, some device must be used to step the current up from the relatively low level available from the power line. The device generally used is a transformer.
Believe that the Union can only be preserved by maintaining inviolate the Constitution of the United States as our fathers have made it. That Constitution guarantees to the people of every State the right to have slavery or not have it…each State being left free to decide for itself. The framers of that Constitution…well understood that each one of the thirteen States had distinct and separate interests, and required distinct and separate local laws and local institutions
Answer:
Algebra
Astrolabe
Hard soap
Windmill
Explanation:
The Islamic Golden Age was a period in the history of Islam where its ideas and cultural movement flourished and which brought about several discoveries that were both scientific, economical, etc.
This Golden Age lasted from the eighth century, until the fourteenth century.
This period began under the reign of Abbasid caliph Harun al-Rashid when he brought scholars to translate classical texts into Arabic.
Some of the inventions which originated during the Islamic Golden Age are astrolabe, hard soap, windmill and algebra.
Answer: the correct answer is b. sparked similar successful demonstrations throughout the South.
Explanation:
By the end of March the movement reached to 55 cities in 13 states.
C Northern Africa becomes a United country
