The Voltage and Power Ratings of a Particular Light Bulb,which

question 46

Multiple Choice

The voltage and power ratings of a particular light bulb,which are its normal operating values,are 110 V and 60 W.Assume the resistance of the filament of the bulb is constant and is independent of operating conditions.If the light bulb is operated at a reduced voltage and the power drawn by the bulb is 36 W,what is the operating voltage of the bulb?

• A) 66 V
• B) 72 V
• C) 78 V
• D) 85 V
• E) 90 V

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Definitions:

Job Order Cost System

An accounting method that assigns costs to specific production batches or jobs, trackable by individual orders.

General Cost System

An accounting system that is used to track and allocate the general expenses of a company.

Process Cost System

An accounting system used to accumulate costs in industries where a homogeneous product is produced continuously in a mass production environment.

Predetermined Overhead Rate

A rate used to assign manufacturing overhead costs to products or job orders, calculated before the costs are incurred, based on estimated overhead and activity levels.