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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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