1. The dynamo invented by M. Faraday was a predecessor to nowadays generators.
2. It was M. Faraday who invented the system of oxidation numbers.
3. M. Faraday proved that the charge only resided on the exterior of a charged conductor, and exterior charge had a great influence on anything enclosed within a conductor.
IV. .
1) What device invented by M. Faraday became a predecessor to electric generators?
a. The invention of the dynamo.
b. The invention of the modulator.
2) What scientist translated Faradays experiments into mathematical language?
a. W.H.Wallaston did it.
b. Clerk Maxwell did it.
V. . .
1) He was the first to link electricity to magnetism.
a. .
b. , .
2) This established that magnetic force and light were related.
a. , .
b. , .
3) Faraday also dabbled in chemistry, discovering chemical substances such as benzene.
a. , , , .
b. , , , .
VI. 2 4 Michael Faradays contribution into Physics.
2
, , :
I. :
) Simple (Present, Past, Future); Continuous (Present, Past, Future); Perfect (Present, Past, Future);
) .
:
It is said ; It is known
Examples: In 1837 Morse invented the electrical tube. invented Past Indefinite Active ()
In 1912 Zworykin was allowed to continue his education. was allowed Past Indefinite Passive ()
II. .
, : can (could), may (might) (can to be able to; may to be allowed to); must, to have to, should.
III. : Participle I, Participle II, Gerund.
Examples: Based on their pioneering efforts in radio he tried to convince them to do research in television. based Participle II
Morse demonstrated a recording telegraph. recording Participle I
He earned money by painting portraits. painting Gerund
IV. .
Example: Their argument which continued throughout the night was finally resolved.
which continued throughout the night .
1
I. , . .
|
|
|
Example: These samples ( may / have to/ is to) be chosen deliberately. ( ) .
1. There are several ways a digital or analog signal (may/ must/ had better) be transmitted, including coaxial and fiber-optic cables.
2. For the first time, a signal (should/ have to/ could) be sent faster than any other mode of transportation.
3. Laser beams (have to/ may/ might) ultimately replace cables in telecommunications.
4. He (is not able/ mustnt/ couldnt) to complete this work himself.
II. , , Participle I, Participle II Gerund, , ( ). .
Example: There are several ways of obtaining this substance. (Gerund) .
1. Einstein didnt enjoy talking very much; in fact, he waited till he was three before he started to talk.
2. When studying elements Mendeleyev found that they could be divided into nine groups.
3. New technologies reduce the number of workers needed.
4. Some of the first communications satellites were designed to operate in a passive mode.
