Question

1. The pattern of the magnetic field produced by the straight current
Carrying conductor is
a) in the direction opposite to the current
b) in the direction parallel to the wire
c) circular to the wire
d) in the same direction of current
2. The magnetic field inside a long straight solenoid carrying current
a) is zero
b) decreases as we towards the ends
(1)
(1)
c) increases as we move towards the ends
d) Is the same at all points
3. How is the strength of the magnetic field at a point near a wire
related to the strength of the electric current flowing in the
wire?
4. Write the SI unit of magnetic field.
5. Name the scientist who discovered the relationship between
Electric current and magnetic field.
6. Why does a compass needle gets deflected when brought near a
Bar magnet?
7. a) Write the properties of magnetic lines of force.
b) Why don't the magnetic field lines intersect each other?
8. a) On what factors does the magnetic field produced by a
straight current carrying conductor depend?
​

Answer 1

Answer:

1)a

2)d

3)because wire is good conductor of electricity

4)M

5)Mr David

6) because of gravity

7)magnetic field

8)conductivity