Question

After analysing the graph a student writes the following statements.

I. The magnetic field produced by the solenoid is inversely proportional

to the current.

II. The magnetic field produced by the solenoid is directly proportional to

the current.

III. The magnetic field produced by the solenoid is directly proportional to

square of the current.

IV. The magnetic field produced by the solenoid is independent of the

current.

Choose from the following which of the following would be the correct

statement(s).

a. Only IV

b. I and III and IV

c. I and II

d. Only II
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Answer 1

Answer:

An element is a pure substance that cannot be separated into simpler substances by chemical or physical means. There are about 117 elements. portion of Earth. Matter that is comprised of (made up of) the same material throughout.