Power and Electric Energy

Power and Electric Energy

10th - 12th Grade

10 Qs

quiz-placeholder

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Power and Electric Energy

Power and Electric Energy

Assessment

Quiz

Physics, Instructional Technology, Specialty

10th - 12th Grade

Hard

Created by

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

Media Image

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

Media Image

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: 

 P=EtP=\frac{E}{t}  

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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