A 200-W Light Bulb Is Connected Across a 110-V Dc

question 76

Multiple Choice

A 200-W light bulb is connected across a 110-V dc power supply.What is the current through this bulb?

• A)0.90 A
• B)0.36 A
• C)0 A
• D)0.60 A
• E)1.8 A

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Definitions:

Maintenance Margin

The minimum equity amount that must be maintained in a margin account after a purchase has been made, to cover the risk of the investment.

Margin Call

A demand by a broker that an investor deposit further cash or securities to cover possible losses.

Initial Margin

The minimum amount of equity required to enter into a position as security for performance, used in futures and margin trading.

Maintenance Margin

The minimum amount of equity that must be maintained in a margin account.