Electricity Concepts Quiz

What is the unit of measurement for electric current?

• Volts (V)
• Amperes (A)
• Ohms (Ω)
• Coulombs (C)

Which of the following best describes electric current?

• The flow of electrons only
• The flow of positive charge
• The flow of electric charge
• The flow of ions only

In a metal conductor, what primarily constitutes the electric current?

• Protons
• Neutrons
• Electrons
• Ions

What is the mathematical formula for calculating current?

• I = Q × t
• I = Q/t
• I = t/Q
• I = Q + t

If the charge (Q) in a circuit is doubled while the time (t) remains constant, what happens to the current (I)?

• It doubles
• It halves
• It remains the same
• It quadruples

What is the role of an ammeter in a circuit?

• To measure voltage
• To measure resistance
• To measure current
• To measure charge

What is conventional current defined as?

• The flow of electrons
• The flow of negative charge
• The flow of positive charge
• The flow of ions

When connecting an ammeter to a circuit, how should it be connected?

• In parallel
• In series
• In a loop
• In isolation

What happens to the current if the resistance in a circuit increases while the voltage remains constant?

• Current increases
• Current decreases
• Current remains the same
• Current fluctuates

Which of the following is NOT a characteristic of electric current?

• It can flow through metals
• It can flow through insulators
• It can flow through solutions
• It is measured in amperes