Two Coils,1 and 2,with Iron Cores Are Positioned as Shown

question 29

Multiple Choice

Two coils,1 and 2,with iron cores are positioned as shown in the figure.Coil 1 is part of a circuit with a battery and a switch.

-Assume that S has been closed for a long time.Which one of the following statements is true if coil 2 is moved toward C?

• A)There is an induced magnetic field in coil 2 that points toward B.
• B)There is an induced magnetic field in coil 2 that points toward C.
• C)There is an induced current in R that flows from right to left.
• D)There is an induced north pole at the right end of coil 2.
• E)There is no induced current in R.

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Definitions:

Bad Debts Expense

Expenses linked to accounts receivable that a firm anticipates will not be collected.

Allowance Method

An accounting technique used to account for bad debts, which estimates uncollectible accounts receivable and creates a provision for them.

Accounts Receivable

Financial dues from customers to an organization for products or services that have been dispensed but not reimbursed.

Allowance for Doubtful Accounts

A contra asset account used to estimate the portion of a company's receivables that may not be collectible.