A Thin Copper Rod That Is 1

question 25

Multiple Choice

A thin copper rod that is 1.0 m long and has a mass of 0.050 kg is in a magnetic field of 0.10 T.What minimum current in the rod is needed in order for the magnetic force to cancel the weight of the rod?

• A) 1.2 A
• B) 2.5 A
• C) 4.9 A
• D) 7.6 A
• E) 9.8 A

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A monetary tool that disburses a set sequence of payments to a user, predominantly aimed at serving as a financial resource for retirees.

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A financial service that ensures a regular payout to an individual, mainly intended as financial support for retirees.