Question 1

What is the direction of electron flow in a circuit?

Accepted Answer

Negative to positive

Answer

Positive to negative

Answer

Both directions simultaneously

Answer

No specific direction

Question 2

What is the conventional direction of current in a circuit?

Accepted Answer

Positive to negative

Answer

Both directions simultaneously

Answer

No flow at all

Answer

Negative to positive

Question 3

Why does the convention for current flow differ from the actual flow of electrons?

Accepted Answer

Due to a historical assumption

Answer

To simplify calculations

Answer

Based on electron properties

Answer

To match scientific observations

Question 4

Who established the convention for the direction of current flow?

Accepted Answer

Benjamin Franklin

Answer

Isaac Newton

Answer

Thomas Edison

Answer

Nikola Tesla

Question 5

What type of charge carriers are responsible for current in metallic conductors?

Accepted Answer

Electrons

Answer

Protons

Answer

Neutrons

Answer

Positive ions

Question 6

Which of the following best describes conventional current flow?

Accepted Answer

Flow of positive charge

Answer

Random particle movement

Answer

Flow of electrons

Answer

Flow of negative ions

Question 7

What was the original assumption about electric current made before electrons were discovered?

Accepted Answer

Positive charges flow through a circuit

Answer

Negative charges flow through a circuit

Answer

Both charges flow equally

Answer

No flow occurs in circuits

Question 8

How does the historical convention of current flow affect circuit analysis today?

Accepted Answer

It has no effect

Answer

It invalidates circuit laws

Answer

It complicates analysis

Answer

It simplifies analysis

Question 9

Which of the following statements is true?

Accepted Answer

Electrons move in the opposite direction to conventional current.

Answer

Electrons move slower than conventional current.

Answer

Electrons move in the same direction as conventional current.

Answer

Electrons move faster than conventional current.

Question 10

What causes the difference between electron flow and conventional current?

Accepted Answer

Historical convention

Answer

Poor understanding of electrons

Answer

Scientific miscalculation

Answer

Lack of mathematical tools

Question 11

A circuit is powered by a 9V battery. If the electrons flow clockwise, what is the direction of the conventional current?

Accepted Answer

Counterclockwise

Answer

No current flows

Answer

Both directions

Answer

Clockwise

Question 12

In the circuit below, electrons flow through a resistor from point A to point B. Which statement is correct?

Accepted Answer

Conventional current flows from B to A.

Answer

Current direction depends on the resistance value.

Answer

There is no current in the circuit.

Answer

Conventional current flows from A to B.

Question 13

Calculate the current in a circuit if the resistance is 10 ohms and the voltage is 5 volts.

Accepted Answer

0.08333333333333333

Answer

0.20833333333333334

Answer

0.5 A

Answer

0.4166666666666667

Question 14

In a given circuit, if electrons move counterclockwise, what is the direction of the conventional current?

Accepted Answer

Clockwise

Answer

Both directions

Answer

Counterclockwise

Answer

No current flows

Question 15

If a battery's negative terminal is connected to a resistor, in which direction will the electrons flow?

Accepted Answer

Toward the positive terminal

Answer

Away from the positive terminal

Answer

No flow occurs

Answer

Both directions

Question 16

In a series circuit, how does the direction of electron flow compare across components?

Accepted Answer

It is opposite to conventional current

Answer

It changes at the resistor.

Answer

It flows randomly.

Answer

It varies by component.

Question 17

What happens to electron flow if the circuit is broken?

Accepted Answer

It stops

Answer

It increases

Answer

It reverses

Answer

It decreases

Question 18

Which statement about parallel circuits is correct?

Accepted Answer

Current splits into branches in parallel circuits.

Answer

No current flows in parallel circuits.

Answer

Electron flow is faster in parallel circuits.

Answer

Voltage decreases in parallel circuits.

Question 19

In the circuit shown, electrons move from the battery to a light bulb. What powers the light bulb?

Accepted Answer

The energy carried by electrons

Answer

The electron flow

Answer

The direction of current flow

Answer

Both current and voltage

Question 20

A wire has a current of 3 A. How many electrons pass through it per second?

Accepted Answer

1.88×10191.88 	imes 10^{19}1.88×1019 electrons

Answer

3.88×10193.88 	imes 10^{19}3.88×1019 electrons

Answer

4.88×10194.88 	imes 10^{19}4.88×1019 electrons

Answer

2.88×10192.88 	imes 10^{19}2.88×1019 electrons

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