Question 1

1. Which of the following does NOT conserve electrical energy?

Accepted Answer

Using appliances in one socket to economize

Answer

Always unplug appliances before checking the inside components

Answer

Ironing clothes only once a week

Answer

Switching off lights which are not being used

Question 2

2.	 Why is that household electrical appliances are not usually connected in series?

Accepted Answer

Switching off one appliance would switch off the rest

Answer

Because there will be interference as soon as two or more appliances are used

Answer

Because there will be an increase in power consumption

Answer

Because when one appliance is used, the fuse will blow up

Question 3

3.	What happens when one light bulb in a series circuit containing several light bulbs get busted?

Accepted Answer

the other light bulbs will not light up.

Answer

nothing changes in the brightness of the other bulb

Answer

The other light bulb shines brighter

Answer

The other light bulbs get dimmer

Question 4

4.	Why are octopus connections fire hazards?

Accepted Answer

Current becomes very high

Answer

Voltage becomes very high

Answer

all of the above

Answer

resistance becomes very high

Question 5

5.	What do you call a closed, continuous path through which electrons can flow?

Accepted Answer

Circuit

Answer

voltage

Answer

resistor

Answer

charge

Question 6

6. The use of Christmas lights at home

Accepted Answer

Series

Answer

Parallel

Question 7

7. Using extension cords for different appliances.

Accepted Answer

Series

Answer

Parallel

Question 8

8. Freezer and refrigerator in controlling of temperature.

Accepted Answer

Series

Answer

Parallel

Question 9

9. Switches of lights at home

Accepted Answer

Parallel

Answer

Series

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