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Lainey D

Lainey D.

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ANSWERED

Lien Le verified

Numerade educator

In one to two sentences, describe the relationship between harmonics and resonance frequency in a piano.

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Aishwarya Krishnakumar verified

Numerade educator

In 1–2 sentences, explain how electromagnets move a maglev train.

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ANSWERED

Aishwarya Krishnakumar verified

Numerade educator

In 1–2 sentences, explain how to make an electromagnet.

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ANSWERED

Narayan Hari verified

Numerade educator

In 1–2 sentences, explain how to make an electromagnet.

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Brendan Henrique verified

Numerade educator

A team of students builds an electrical circuit with a battery and a fan. In 1–2 sentences, describe how energy is changed from one form to another in their electric circuit

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Brendan Henrique verified

Numerade educator

In 1–2 sentences, describe the factors that affect the current (amperage) in an electric circuit.

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Brendan Henrique verified

Numerade educator

In 1–2 sentences, describe a setup of pith balls that have negative charges and are hanging from the same point.

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Ivan Kochetkov verified

Numerade educator

Hal makes an electromagnet with a 9-volt battery, wire, and a steel rod. Which of the following is the function of electric current in his electromagnet? Electric current determines the strength of the magnet. Electric current powers the electromagnet. Electric current attracts or repels charged Electric current creates a magnetic field that charges the rod.

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ANSWERED

Aishwarya Krishnakumar verified

Numerade educator

Hal makes an electromagnet with a 9-volt battery, wire, and a steel rod. Which of the following is the function of electric current in his electromagnet? Electric current determines the strength of the magnet. Electric current powers the electromagnet. Electric current attracts or repels charged Electric current creates a magnetic field that charges the rod.

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ANSWERED

Timothy James verified

Numerade educator

Hal makes an electromagnet with a 9-volt battery, wire, and a steel rod. Which of the following is the function of electric current in his electromagnet? Electric current determines the strength of the magnet. Electric current powers the electromagnet. Electric current attracts or repels charged Electric current creates a magnetic field that charges the rod.

View Answer
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