How Much Current Must Pass Through a 400 Turn Coil

question 86

Multiple Choice

How much current must pass through a 400 turn coil 4.0 cm long to generate a 1.0-T magnetic field at the center?

• A) 0.013 A
• B) 13 A
• C) 22 A
• D) 40 A
• E) 80 A

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Definitions:

Banks

Banks are financial institutions licensed to receive deposits and provide loans, along with offering various other financial services.

Bank Panics

A situation in which a large number of bank customers withdraw their deposits simultaneously due to fears that the bank will become insolvent.

Deterrent

A factor or policy intended to discourage certain behaviors by instilling fear of the consequences.

Fractional Reserve

A banking system in which banks hold a fraction of the deposits as reserves, lending the rest to generate profit.