6.3 Transmission and Distribution of Electricity

6.3 Transmission and Distribution of Electricity

9th Grade

20 Qs

quiz-placeholder

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6.3 Transmission and Distribution of Electricity

6.3 Transmission and Distribution of Electricity

Assessment

Quiz

Science

9th Grade

Medium

NGSS
MS-ETS1-1, MS-ETS1-2

Standards-aligned

Created by

Norshila Mohmed

Used 428+ 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

Media Image

Choose the step-up transformer

A

B

C

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

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