Electron charge and direction of flow in circuits

Steps:

• Electrons possess a negative charge, as defined in fundamental particle physics.
• In a simple circuit with a battery, electrons flow from the negative terminal to the positive terminal.
• The resistor lies in the path where electron flow opposes conventional current (positive to negative).
• Assuming standard diagram labeling, flow through resistor is Y (negative side) to X (positive side).

Why B is correct:

• Electrons are negatively charged and move from negative to positive, matching Y to X in the circuit diagram per Ohm's law and electron flow convention.

Why the others are wrong:

• A: Wrong direction; electrons flow Y to X, not X to Y.
• C: Wrong charge; electrons are negative, not positive.
• D: Both wrong; electrons are negative and flow Y to X.

Final answer: B