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.
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
I and I
d. Only II
C.
following statements is correct.

Answer 1

Answer:

I can't understand.........,.......