Can you replace the question mark with a number?
[6379] Can you replace the question mark with a number? - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 104 - The first user who solved this task is Nasrin 24 T
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Can you replace the question mark with a number?

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 104
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #riddles
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A father and son are out shopp

A father and son are out shopping for Christmas presents for their family.

The son asks, "What present are my sister and I going to get?"

The dad answers, "I got you guys an iPad and iPod."

"Wow, thanks," the son replies, "What will you give mom?"

The dad says, "Your mom is getting an iRon."

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Faraday experiment

In 1831, Michael Faraday wound a thick iron ring on one side with insulated wire that was connected to a battery. He then wound the opposite side with wire connected to a galvanometer. He found that upon closing the battery circuit, there was a deflection of the galvanometer in the second circuit. Then he was astonished to see the galvanometer needle jump in the opposite direction when the battery circuit was opened. He had discovered that a current was induced in the secondary when a current in the primary was connected and an induced current in the opposite direction when the primary current was disconnected.eb
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