You Connect Two Similar Heating Coils in Series on a Constant-Voltage

question 22

Multiple Choice

You connect two similar heating coils in series on a constant-voltage line.When you later connect them in parallel to the same line,the heat developed per minute,compared with the former rate,is approximately

• A)the same.
• B)twice as great.
• C)one-half as much.
• D)four times as great.
• E)one-fourth as much.

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Definitions:

Phacoemulsification

A modern cataract surgery technique that uses ultrasonic energy to emulsify the lens of the eye for removal and replacement with an intraocular lens.

Phacolysis

A surgical procedure for cataract removal where the lens of the eye is emulsified and aspirated.

Photocoagulation

A medical procedure using focused light (laser) to clot or destroy abnormal tissue.

Intraocular Pressure

The fluid pressure inside the eye, important in the diagnosis and management of glaucoma.