Electric Current and Particle Movement Quiz

In metal conductors, which particles are primarily responsible for electric current?

• Protons
• Neutrons
• Electrons
• Ions

In which type of conductor do ions move to create electric current?

• Metal wires
• Electrolyte solutions
• Vacuum tubes
• Semiconductor materials

In an electrolyte solution, positive ions move towards which electrode?

• Positive electrode
• Negative electrode
• Central electrode
• Ground electrode

The formula for current is based on which relationship?

• Current = Voltage ÷ Resistance
• Current = Charge ÷ Time
• Current = Power × Time
• Current = Energy ÷ Charge

What is the charge of electrons moving in a metal conductor?

• Positive
• Neutral
• Negative
• Variable

In which direction do electrons move in a metal conductor?

• From positive to negative terminal
• From negative to positive terminal
• Randomly
• Circularly

What does current represent in an electric circuit?

• Voltage potential
• Rate of charge transfer
• Resistance level
• Energy consumption

When calculating current, which three variables are typically involved?

• Voltage, Resistance, Power
• Charge, Time, Current
• Energy, Potential, Resistance
• Electrons, Ions, Conductivity

In an electrolyte solution, negative ions move towards which electrode?

• Negative electrode
• Positive electrode
• Ground electrode
• Central electrode

Which characteristic defines the movement of particles in electric current?

• Mass
• Electric charge
• Temperature
• Size