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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.
Ampere
Frequency
Capacitor
OHM

Question 2:


Which term refers to the number of complete cycles of an alternating current that occur per second?
Wavelength
Frequency
Ohm
Watt

Question 3:


Which term refers to the efficiency of an electric machine, measured in watt hours or kilowatt hours?
Energy Efficiency
Farad
OHM
Frequency Efficiency

Question 4:


This unit, named after the German physicist who discovered the relation between voltage and current, is the basic unit of electrical resistance.
Watt
Ohm
Resistor
Frequency

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?
Voltage
Amp
Watt
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?
Amp
Current
Volt
Watt

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).
Wave distance
Volt
Wavelength
Amp

Question 10:


Lower frequencies have longer wavelengths, while higher frequencies have shorter wavelengths.
False
True

 


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