Circuits1_Mod1_Quiz

What is the basic SI unit of charge?

• Watt (W)

• Volt (V)

• Coulomb (C)

• Ampere (A)

What is the unit of current?

• Ohm (Ω)

• Ampere (A)

• Volt (V)

• Coulomb (C)

What type of current remains constant over time?

• Alternating Current (AC)

• Direct Current (DC)

• Pulsating Current (PC)

• Variable Current (VC)

What does voltage represent in a circuit?

• The resistance in a circuit

• The power consumed

• The potential difference between two points

• The flow of charge

What is the formula for power in an electrical circuit?

• Voltage / Current

• Voltage - Current

• Voltage x Current

• Voltage + Current

Which of the following is a passive circuit element?

• Resistor

• Battery

• Operational Amplifier

• Generator

What is the role of an ideal voltage source?

• To maintain a constant voltage

• To provide infinite current

• To absorb power from the circuit

• To generate energy

What is the passive sign convention?

• Voltage is always positive

• Power is always negative

• Current enters through the more positively biased terminal

• Current enters through the more negatively biased terminal

What is the charge of a single electron?

• Zero

• Negative

• Neutral

• Positive

What is the relationship between energy and power?

• Energy = Power + Time

• Energy = Power x Time

• Energy = Power - Time

• Energy = Power / Time