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Electrifying Quiz
written by:
steffiebuzz
Test your knowledge of basic electrical terms and definitions.
Question 1:
This unit, named after one of the main discoverers of electromagnetism, is the base unit of electrical current.
OHM
Frequency
Ampere
Capacitor
Question 2:
Which term refers to the number of complete cycles of an alternating current that occur per second?
Ohm
Wavelength
Watt
Frequency
Question 3:
Which term refers to the efficiency of an electric machine, measured in watt hours or kilowatt hours?
Energy Efficiency
Frequency Efficiency
OHM
Farad
Question 4:
This unit, named after the German physicist who discovered the relation between voltage and current, is the basic unit of electrical resistance.
Frequency
Watt
Resistor
Ohm
Question 5:
An insulator is a thin metal strip mounted in a holder. When too much current passes through it, the metal strip melts and opens the circuit.
True
False
Question 6:
What is the unit of power that shows how fast a circuit uses electrical energy?
Amp
Watt
Voltage
Frequency
Question 7:
Moonbounce is a form of wireless communication in which the moon is used as a passive satellite.
True
False
Question 8:
What is the basic unit of electric pressure, also known as emf?
Volt
Watt
Current
Amp
Question 9:
This term refers to the distance between repeating units of a wave pattern and is commonly designated by the Greek letter lambda (λ).
Volt
Wavelength
Wave distance
Amp
Question 10:
Lower frequencies have longer wavelengths, while higher frequencies have shorter wavelengths.
True
False
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