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Electricity Basics Quiz

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Questions and Answers

What is the primary reason that conductors can conduct electricity?

They have loosely bound outer electrons. (correct)

They lack free electrons.

They are made of nonmetallic materials.

They contain positively charged ions.

What is the conventional direction of electric current?

From the negative terminal to the positive terminal.

From the center of the battery to the outer edges.

In random directions throughout the circuit.

From the positive terminal to the negative terminal. (correct)

What happens to the outermost electrons in a conductor when they gain extra energy?

They are easily lost and become free. (correct)

They become positively charged particles.

They remain bound to the nucleus.

They increase their mass significantly.

What is required for electric current to flow in a circuit?

A closed electric circuit with a battery. Signup and view all the answers

When considering the actual direction of electric current, it is caused by the movement of which particles?

Electrons Signup and view all the answers

What characterizes conductors in terms of electric charge flow?

They have an excess of free electrons. Signup and view all the answers

Which material is classified as a semiconductor?

Silicon Signup and view all the answers

What is the primary reason insulators do not conduct electricity?

They lack free electrons. Signup and view all the answers

Which statement is true about electric current?

It is the flow of electric charges through conductors. Signup and view all the answers

What distinguishes semiconductors from conductors and insulators?

They can conduct electricity under certain conditions. Signup and view all the answers