Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
Give this quiz to my class
Q 1/20
Score 0
In which of the following units is electrical consumption measured by electric companies four our household consumption in our homes?
30
volt
kilowatt
megawatt
Kilowatt hour
Q 2/20
Score 0
In power stations generating electricity, power is measured in _________.
30
kilowatt
Megawatt
kilojoule
Joule
20 questions
Q.
In which of the following units is electrical consumption measured by electric companies four our household consumption in our homes?
1
30 sec
Q.
In power stations generating electricity, power is measured in _________.
2
30 sec
Q.
Why do power stations generate AC, and not DC?
3
30 sec
Q.
Transformers are used to raise the voltage along substations and lower it for residential consumption. What kind of transformers is used to raise the voltage?
4
30 sec
Q.
Shayne turned on a lamp switch in her room. Which of the following is the correct path of electrical power that can be traced back to the source?
5
30 sec
Q.
Who among the following scientists discovered the relationship between electricity and magnetism?
6
30 sec
Q.
You made an electric motor in school. When you tested it in using 4 dry cells, the armature turned very fast. What should you do to make it turn slower?
7
30 sec
Q.
What energy transformation takes place in a generator?
8
30 sec
Q.
In which case will electric current be induced in a coil of wire?
9
30 sec
Q.
If a 100 W light bulb is lit for 8 hours each day for 20 days in a month. How many kilowatt-hours will the bulb consume?
10
60 sec
Q.
Last month, Ms. Alcantara’s electric meter reads 8765 kWh. How much will she pay for power generation if the charge of electric company per kWh is 6.88 pesos and her electric meter reads 9975 this month?
11
120 sec
Q.
Jaypeth paid ₱1250.00 for electric bill. How much energy (in kWh) is consumed if the electric company charges ₱6.88/kWh?
12
120 sec
Q.
How is the energy efficiency ratio (EEF) related to the operating cost?
13
120 sec
Q.
Gemma wanted to improve the lighting condition of her room by buying a lamp. What suggestions can you give her and why?
14
120 sec
Q.
A 60 watt bulb is connected to 120V plug. What is the current in the lighted bulb?
15
120 sec
Q.
To reduce your electric bill
16
30 sec
Q.
What is produced if the magnet and the conductor move relative to each other?
17
30 sec
Q.
When there is a change in the magnetic field in a closed loop of wire,
18
30 sec
Q.
All of the following power plants use steam to drive the turbines to produce electricity except
19
30 sec
Q.
In buying an appliance, which of the following efficiency guide would you consider? Why
I. Energy Efficiency Ratio 198
II. Energy Efficiency Ratio 292
III. Energy Efficiency Ratio 346
IV Energy Efficiency Ratio 589
