What Is the Resistance Of $1.0 \mathrm {~m}$ Of a Solid Cylindrical Metal Cable Having a Diameter Of Solid

question 60

Multiple Choice

What is the resistance of $1.0 \mathrm {~m}$ of a solid cylindrical metal cable having a diameter of $0.40$ inches and a resistivity of $1.68 \times 10 ^ { - 8 } \Omega \cdot \mathrm { m }$ ?

• A) \(0.00021 \Omega\)
• B) \(0.0012 \Omega\)
• C) \(0.0021 \Omega\)
• D) \(0.00012 \Omega\)

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Definitions:

Resting Potential

The electrical potential of a neuron when it is not actively transmitting a signal, representing a state of readiness for activation.

Sodium And Potassium

Essential electrolytes in the human body that play key roles in maintaining proper fluid balance, transmitting nerve signals, and muscle function.

Electrical Charge

Electrical charge is a fundamental property of particles that determines their electromagnetic interaction, marked by either a positive or negative symbol.

Action Potential

A rapid electrical impulse that travels along the membrane of a neuron, facilitating communication between neurons.