If the Magnetic Field at the Center of a Square $\times$

question 53

Multiple Choice

If the magnetic field at the center of a square current loop of side L = 40 cm is 2.4 $\times$ 10^-6 T calculate the current flowing around the loop.

• A)11 A
• B)3.4 A
• C)0.85 A
• D)0.21 A
• E)1.7 A

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Expert Witness

A specialist in a particular field who is called upon to provide expert testimony in legal proceedings.

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An individual who provides testimony in a legal proceeding about what they observed or experienced, without needing expert knowledge.

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A legal rule that prohibits the use of secondhand testimony in court if it is offered to prove the truth of the matter asserted unless an exception to the rule applies.