A steel cable is used to hang an object. If you doubled the diameter of the cable for the same object, the stress in the cable will; A) decrease one-fourth times of the original. B) decrease one-half of the original. increase twice of the original. increase four times of the original.

A steel cable is used to hang an object. If you doubled the diameter of the cable for the same object, the stress in the cable will; A) decrease one-fourth times of the original. B) decrease one-half of the original. increase twice of the original. increase four times of the original.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.7MCQ: Consider Figure 3.5. Match the following, those on the left to those on the right. (i) Im (a)...

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Photoelectric

The photoelectric effect occurs when light (or similar incident radiation, including X-rays) falls on material together with a metal plate and causes it to emit electrons. The discovery of the photoelectric effect led to important new theories (and to a Nobel Prize for Albert Einstein). Photoelectric cells, or photocells, are utilized in burglar-alarm light detectors and garage-door openers (each employs a through-beam of light this is broken when something movements throughout it), and also to play soundtracks on film movies (in which a light beam shines through the soundtrack encoded at the film and is "read" with the aid of the photocells).

Question

A steel cable is used to hang an object. If you doubled the diameter of the cable for the same object, the stress in the cable will;
A
decrease one-fourth times of the original.
B
decrease one-half of the original.
increase twice of the original.
increase four times of the original.

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