A Stationary Wave of Amplitude a and Period T Exists

question 62

Multiple Choice

A stationary wave of amplitude A and period T exists in a rope. At a particular instant, the configuration of the rope is as shown. At an instant T later, the configuration of the rope is

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

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Definitions:

TOF Timer

A "Timer Off-Delay" that starts timing when its input turns off, and after the preset time, changes the state of its output.

Time Base

"A unit of time generated by a microprocessor’s clock circuit and used by PLC timer instructions. Typical time bases are 0.01, 0.1, and 1.0 second."

Enable Bit

The Enable Bit is a control bit used in digital computing and electronic systems to activate or deactivate a specific function or module.