An 80-MH Inductor and a 2 $\Omega$ Resistor Are Wired in Series to an Ideal Battery

question 68

Multiple Choice

An 8.0-mH inductor and a 2.0- $\Omega$ resistor are wired in series to an ideal battery.A switch in the circuit is closed at time t = 0, at which time the current is zero.The current reaches half its final value at a time of:

• A)2.8 ms
• B)4.0 ms
• C)3.0 s
• D)170 s
• E)250 s

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Definitions:

Common Stock

Represents the shares of a company that are owned by its shareholders, which entitle them to vote at shareholder meetings and to receive dividends.

Dividends

Payments made by a corporation to its shareholder members, distributing profits.

Treasury Stock

Shares that were once part of the outstanding shares and have been bought back by the company, reducing the amount of outstanding stock on the open market.

Paid-In Capital

Funds raised by a company through the issuance of common or preferred stock, representing the capital contributed by shareholders in exchange for shares.