Electrical and Electronic Circuits Quiz

What is the unit of measurement for voltage?

• Volts (V)

• Watts (W)

• Ohms (Ω)

• Amperes (A)

What does current flow from in a circuit?

• Ground to power source

• Power source to ground

• Negative terminal to positive terminal

• Positive terminal to negative terminal

What is the opposition to the flow of electric current called?

• Voltage

• Current

• Power

• Resistance

What is the formula for calculating power in an electrical circuit?

• P = I / V

• P = V × I

• P = V - I

• P = V + I

What type of current periodically reverses direction?

• Direct Current (DC)

• Alternating Current (AC)

• Static Current

• Pulsating Current

What is the unit of electrical charge?

• Volts (V)

• Coulombs (C)

• Ohms (Ω)

• Amperes (A)

In a series circuit, how does the current behave?

• Divides among components

• Is the same across all components

• Increases at each component

• Decreases at each component

What is the symbol for a resistor in an electronic circuit?

• A diode with arrows

• Two parallel lines

• A rectangle

• A zig-zag line

What does a capacitor do in a circuit?

• Emits light

• Stores electrical energy

• Limits current

• Transfers energy

What is the symbol for a Light Emitting Diode (LED)?

• A diode with arrows

• Two coils

• Two parallel lines

• A zig-zag line