Electric Current in a Conductor Under an Electric Field

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What happens to the number of electrons travelling in any direction in a conductor?

They tend to accumulate on the other side

They are not influenced by the electric field

They tend to accumulate on one side

They remain equal in any direction (correct)

In the scenario described, when will there be a current in the conductor?

When there is no electric field applied

When the electrons are stationary

For a very short while when electrons move to neutralize the charges (correct)

When the positive charge on one disc is greater than the negative charge on the other disc

What results in the creation of an electric field in the conductor?

Presence of positive and negative charges on opposite discs (correct)

Difference in electron and proton numbers

Existence of neutral charges only

Movement of positive charges

How does a steady electric field differ from a temporary one in a conductor?

A steady field results in a continuous current flow Signup and view all the answers

What can be employed to maintain a steady electric field in a conductor?

Cells or batteries Signup and view all the answers

What is responsible for accelerating electrons in a conductor when an electric field is applied?

The electric field applied Signup and view all the answers

What is the relationship described by Ohm's law?

V is directly proportional to I Signup and view all the answers

What does the symbol W represent in the context of resistance?

Resistance Signup and view all the answers

How does resistance R depend on the dimensions of a conductor?

Positively on the length and cross-sectional area of the conductor Signup and view all the answers

If two identical slabs are placed side by side, how does the resistance change?

Remains the same Signup and view all the answers

What was G.S. Ohm's contribution to electrical science in 1828?

Discovered Ohm's Law Signup and view all the answers

What is the SI unit for resistance?

Ohm Signup and view all the answers

Electric Current in a Conductor Under an Electric Field

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Questions and Answers

What happens to the number of electrons travelling in any direction in a conductor?

In the scenario described, when will there be a current in the conductor?

What results in the creation of an electric field in the conductor?

How does a steady electric field differ from a temporary one in a conductor?

What can be employed to maintain a steady electric field in a conductor?

What is responsible for accelerating electrons in a conductor when an electric field is applied?

What is the relationship described by Ohm's law?

What does the symbol W represent in the context of resistance?

How does resistance R depend on the dimensions of a conductor?

If two identical slabs are placed side by side, how does the resistance change?

What was G.S. Ohm's contribution to electrical science in 1828?

What is the SI unit for resistance?

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