Electrical Concepts Quiz

What does a capacitor store energy in?

• Magnetic field

• Electric field

• Gravitational field

• Thermal field

What is the function of a resistor in a circuit?

• Stores energy

• Opposes the flow of current

• Amplifies signals

• Converts energy

What is the unit of electrical resistance?

• Farad (F)

• Ampere (A)

• Ohm (Ω)

• Volt (V)

What does an inductor store energy in?

• Electric field

• Magnetic field

• Gravitational field

• Thermal field

What is the unit of capacitance?

• Ohm (Ω)

• Farad (F)

• Volt (V)

• Coulomb (C)

What is the role of a transistor in a circuit?

• Stores energy

• Opposes current

• Acts as an amplifier or switch

• Measures voltage

What is the unit of electric charge?

• Volt (V)

• Ampere (A)

• Coulomb (C)

• Ohm (Ω)

What type of current flows in only one direction?

• Alternating Current (AC)

• Direct Current (DC)

• Electric Current

• Static Current

What is the unit of electrical potential difference?

• Farad (F)

• Volt (V)

• Ohm (Ω)

• Ampere (A)

What is the ability of a material to restrict current flow called?

• Capacitance

• Inductance

• Resistance

• Conductance