Electric Field Concept

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Why is the unit of charge (1C) from the point of view of electric effects considered large?

Because the unit of charge is defined in terms of magnetic forces. (correct)

Because magnetic forces are generally stronger than electric forces.

Because the unit of charge is defined in terms of electric forces.

Because electric forces are generally weaker than magnetic forces.

What is a characteristic of electric charge?

It has direction associated with it.

It is always conserved in a given frame of reference.

It is a scalar quantity. (correct)

It is a vector quantity.

Which of the following is an example of a scalar quantity that is not invariant for frames of reference in relative motion?

Electric charge

Kinetic energy (correct)

Angular momentum

Magnetic force

What is a consequence of the quantisation of electric charge?

There is no analogous law on quantisation of mass. Signup and view all the answers

What is true about the conservation of total charge?

It is a property independent of the scalar nature of charge. Signup and view all the answers

Why is the additive property of charge not obvious?

Because electric charge has no direction associated with it. Signup and view all the answers

What is true about kinetic energy?

It is a scalar quantity that is not conserved. Signup and view all the answers

What is a characteristic of angular momentum?

It is a vector quantity that is conserved. Signup and view all the answers

Why is the unit of charge (1C) not suitable for electric effects?

Because it is too big. Signup and view all the answers

What is a consequence of the conservation of total charge?

Electric charge is conserved in isolated systems. Signup and view all the answers

Why is electric charge a scalar quantity?

Because it has no direction associated with it. Signup and view all the answers

Electric Field Concept

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Questions and Answers

Why is the unit of charge (1C) from the point of view of electric effects considered large?

What is a characteristic of electric charge?

Which of the following is an example of a scalar quantity that is not invariant for frames of reference in relative motion?

What is a consequence of the quantisation of electric charge?

What is true about the conservation of total charge?

Why is the additive property of charge not obvious?

What is true about kinetic energy?

What is a characteristic of angular momentum?

Why is the unit of charge (1C) not suitable for electric effects?

What is a consequence of the conservation of total charge?

Why is electric charge a scalar quantity?

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