6.3 Transmission and Distribution of Electricity

Quiz
•
Science
•
9th Grade
•
Medium
Standards-aligned
Norshila Mohmed
Used 426+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The flowchart shows the sequence of the components in the electricity transmission and distribution system.
Power station -----> _____________ -----> National Grid Network ----> Main substation ----> _____________ ----> _____________ ----> Branch substation ----> Step-down transformer
Switch zone, step-up transformer, step-down transformer
Switch zone, step-down transformer, step-up transformer
Step-up transformer, step-down transformer, switch zone
Step-up transformer, switch zone, step-down transformer
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The voltage of alternating current, a.c., is ___________ before it is transmitted through the National Grid Network.
increased
decreased
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The voltage of the alternating current is highest at the
power station
National Grid Network
branch substation
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The _______ enables electricity to be transmitted to the branch substation when needed
Switch zone
National Grid Network
Transformer
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2-pin plugs are not connected to the earth wire.
TRUE
FALSE
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mei Ling got an electric shock while ironing her clothes. The following information shows the steps taken by his brother to help her.
P- Calls an ambulance
Q- Remove electrical source using an insulator
R- Switches off the main power supply
S- Perform mouth to mouth resuscitation if the victim is not breathing.
Which sequence is correct?
P, R, Q, S
P, Q, R, S
R, Q, S, P
R, Q, P, S
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Choose the step-up transformer
A
B
C
Tags
NGSS.MS-ETS1-1
NGSS.MS-ETS1-2
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