A Variable Resistor Has a Voltage of 12

question 11

Multiple Choice

A variable resistor has a voltage of 12.0 V placed across it. If the resistance is increased 20%, what happens to the current flowing through it?

• A) It increases 20%.
• B) It increases 25%.
• C) It decreases 20%.
• D) It decreases 25%.
• E) It decreases 17%.

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Definitions:

Cost

The value spent to acquire or produce something, including the amount of money, time, or resources.

Selling Price

The price at which a product or service is offered for sale to a purchaser.

Mark-up

The amount added to the cost price of goods to cover overhead and profit; the difference between the selling price and the cost price.

Sale Price

The final amount at which an item or service is sold after any discounts or deductions.