You Are Given a Copper Bar of Dimensions 3 Cm

question 205

Multiple Choice

You are given a copper bar of dimensions 3 cm × 5 cm × 8 cm and asked to attach leads to it in order to make a resistor.If you want to achieve the largest possible resistance,you should attach the leads to the opposite faces that measure

• A)3 cm × 5 cm.
• B)3 cm × 8 cm.
• C)5 cm × 8 cm.
• D)Any pair of faces produces the same resistance.

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Definitions:

Inductive Proximity Sensor

a sensor used to detect the presence of metallic objects without physical contact by generating a magnetic field.

Conductive Materials

Substances that permit the flow of electric current through them due to the presence of free charge carriers like electrons or ions.

Through-beam Photoelectric Sensor

A sensor that detects the presence of an object when the object interrupts a beam of light between transmitter and receiver components.

Light Beam

A narrow projection of photons, typically visible to the human eye, used in various applications from communication to measurement.