Electrotechnics: Measurement Units

Which of the following is true about electric power?

• It is measured in watts

• It is measured in volts

• It is measured in amperes

• It is measured in ohms.

What is the reference power level for Decibel-watt (dBW)?

• 1W

• 10W

• 100W

• 1000W

Fill in the blank: The unit of electric power, dBW, is referenced to ____.

• 1W

• 10W

• 100W

• 1000W

A capacitor is an electronic component that stores ____.

• Voltage

• Current

• Electric charge

• Resistance

Fill in the blank: The inductance is measured in units of ______.

• Ohm

• Henry

• Farad

• Tesla

An inductor is an electrical component that stores energy in a ______.

• Electric field

• Magnetic field

• Gravitational field

• Thermal field

What is the primary function of an inductor in electrical circuits?

• To store charge

• To store energy in a magnetic field

• To convert energy

• To increase resistance

What is the unit of electric charge?

• Ampere

• Coulomb

• Volt

• Ohm

Fill in the blank: Positive charge (+) has more ______ than electrons.

• Neutrons

• Protons

• Electrons

• Photons

The standard unit of measurement for current is the ______.

• Volt

• Ampere

• Ohm

• Joule