Power and Electric Energy
Quiz
•
Physics, Instructional Technology, Specialty
•
10th - 12th Grade
•
Hard
Pablo L
Used 29+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The unit of electrical power is ...
the watt
el watio
the wat
el vatio
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quina bombeta emetrà més llum?
Una de 20 W
Una de 50 W
Una de 1 W
Una alimentada amb 220 V i amb una intensitat de 0,1 A
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The Power:
Is the speed with wich a job is executed
Is the energy done, divided by the time needed to do that work.
(Electrical Power) = V x I
All the answers are correct
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Si tenemos un enchufe de 10 A. Calcula la máxima potencia del aparato eléctrico que podemos conectar, considerando que el voltaje es de 230 V
23 W
220 V
2,3 kW
2200 W
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The device that measures the electrical power is the...
Volt-meter
Wattmeter
Ohmmeter
Reactivity meter
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
From the expression:
We could know...
... that energy is the product of power by time
... that the time is the product of energy by power
... that the power is the product of energy by time
... that the power is time divided by energy
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the energy consumed by a heater of 350W in 7 hours of working.
50 kWh
50 Wh
2450 W
2,45 kWh
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