1:18 AFK 1968
CITY HALL
AEXTON
廿十二月三年申戊夏
MAN KIU YAT PO
二期鼻
1958
日七十月四年八六九一层公竿七十五罩是都中
46. Solution (C)
罗僑
南試題到習售酒
(1)
The circuit is connected as following:
英文科
(廿五)
何玉柱
Kaina
XXVI
Exercise XXI
**%$# >;=6# $%$#$%$# BEG# KLE# $4%$#$%$# $%$# #v£# 548##$!
Correct the following sentences:
0968
英文中學會試題預習専欄
物理科
(廿五)
·陸永熾、
PHYSICS (25)
45. Solution
ww Rheostat
2.
1. When be was student, he is never come st The boys they are often dirty than girls.
3.
This book is more better thab that
Bulb
Adjust the rheostata to ensure a current
(4) Lengte law of Electromamatic Induction'
The direction of the induced current le always such as to copose the change producing 12.
(b)
$
Thrusting into
the solenoid
N
of 0.5 ampere flowing through the bulb to maintain its proper brightness.
(11) The bulb with a water proof connectio 10 inversed into water. Current of 0.5 amp.
is allowed to pay in the current for a certain time and the tempurature recorded. The circuis la then disconnected and the amount of water thus warmed in masured by the masuring cylinder.
The result of the experiment is listed); Mass of water
Temperature of water (change) - é Mechanical equivalent of heat - J Current in the circuit Specific heat of water
Power of bulb
joule/cal.
aup.
--
- P
watia
p
་
You really want to ***
I am interested in be cas pass or got.
English is difficulty, but in LAS other hand, it is very useful,
He is a good people though ne SODESLBes make
trouble.
We would have help them if they told us their trouble. but they just did dat want to let us to know.
He work very hard to earn als 2 life.
My foot is very pain; I fell over yesterday and twisted it. -
11.
12.
13.
His face is like a monkey.
This book in very familiar vita moj His mistake is similar as me
14. That type of flower is sa sane as CRAS. 15. Surprisine. the tourists attered a cry of
Joyful.
Beet
5.
te
6.
7.
+009
8.
9.
10.
6
(Induced current maken neer end
a North pole)
No current is indta càd as the magnet is at, rest.
Rapid withdrawal
3
(a)
(1)
(15)
(Induced current makes the nes
end a South pola)
12 volt, 24 watt bulb should be
to a and b,
irections;
(iii) It should be connected na
)b)
(1)
Time
current
Heat
ined by wa
Heat fort by bulb
Assuming that there is no noat los
●urrounding,
The power of the culo is, therefore,
PL - LOJ
P = 6J/t
8 volts
www
MOTOR
LOAD
joules joules
to the
ID this and like
the following issues, It should” to point out some phrasal verbs which are) quite commonly used.
1. Come across:
2.
meet accidentally; happen to
I came across my uncle who was supposed to be
in Europe.
"
came by: obtaini get into possession How did you come by this book? I have looked
everywhere and still cannot find it.
3. oome to: a. have or get (a conclusion)
revivelafter fainting)
4.
2. The meeting went on for hours, still they'
hadn't come to anything.
h. As everyone was discussing how to help to onconscious man, he came to himself, come into sight; be visible
soon as a patch of grey came into sight, they all cheered mɛ thay knew that meant. land.
backton one's word: not keep onet promiss car trust him; he never goes back on his/ words. 6 go by: pass
Be likes to watch the girls go by in the
streat.
7. go in for: take(or have), as one'☎"object"
nobby, etc.
all soon go ia for (wait for}
big granination,
After collecting stamps for a while, the bay
now bas gone In for tennia,
"go off: explode
When very small, I was given by my brother a
fire-cracker, just when I held it In my hand, it went off I was so frightened that I deve play fire-crackers any more.
MBRIE
(11) Adjust the rheostats to ensure that the. reading in the voltmeter is á volts.
The time the load is raised for 1 ü taken, t sec, The voltmeter and ammeter Goodings, measure the nower duplied to the us (IV) waste.
The energ
(IVt) joules.
Besides RÖDER
astor
a stop
watch is essential for the time measurement.
QUESTIONS FOR NEXT WEEK
47. (*) A cylinder of soft iron is suspended from
a spring balance so that its lower end is justé inside the top of a coil of wire o t many turns. Draw a diagram showing the magnetie field Lines to describe the nation when there is a current in the coil.
(b) Desaribe how you might use this apparatus så. an amanat:@x".
(a) Would the apparatus continue to work effectively if the direction of electron motion in the coil was regularly alternating ? (d) A galvanometer has a full moale deflection. of 0,1 så and a resistance of 100 ohms. Show (1) how the mater is converted as a voltmeter to measure potential differences up to 10 volts. and (11) now it is used to measure currents ap to. I.0 ampere?
48. (*) What is meant by the resistivity or
#necific resistance of a material 7
(b) A céll of e,mif, lel volt and internal resistance 1 ohm is connected to a wire of > ohne resistance- -- What is the aurrent in the aircuit? If the wire is 2 metres in length and 0,4 mm. in diameter, what in the remiasiv1LY
fine materiai?
(6) //What are the factors: that detemines the amount of heat produced in a pookator carrying
ourrent ↑
An electric neuting
of 95 onme when connected
volts. Two of the win thereby, reducing the
go over: review; study carefully
Let's go over history first and then see if we
can answer the questions.
10.
go out; be extinguished
My children refuse to go to bed until all
lights go out.
11.
go up: a. enter a university i D. go to town(esp. big ones); c. rise
a.Many of us would like but are unalbe to go.
up to colleges.
b. Finally the runour went up to Paris,
c. The price of everything is going up rapi0-
ly.
go through: examine carefully
12.
Please go through the accounts. I'm not sur
whether I have made any mistake.
13.
go with: match
This hand-bag goes with this pair of shoes per
fectly.
14.
go without mot nävei suffer the lack of I could not sur bread anywhere so I g
guess have to go without it,
15. look aften: take care of
When I go away, my sister looks after my babitɛ 16. look down upon(pn):"despise; not respect
If you do not study hard, peɔple will look dow
upon you.
17.
look into: investigate
Before the lawyer tok up the case, ne, first
looked into it to see if his client had cold, hin the truth.
18. Look out! De careful waten
Look out there's a cliff. 19. look round: examine or consider
before taking action
I don't want to buy anything yet.
looking round to see if I need say
20. look up: find by turning over pages
21.
22.
23.
If you find any, new words in the book, you
look them up in a dictionary,
look forward to: anticipated expect joy and hope.
We all look forward to a happy cuamera
(Note: to is a preposition; it ́s vd
than 'e noun. Te used after it, thes be a gerund.
*.g.
We look forward to having good aults in the C. S
E)
look up to (the opposite of "look down! look on: be a spectator
I did not take partibil daly locked an
terest..
anuen-looker.
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