Q3 of 45 Page 301

An electric current through a metallic conductor produces _________ around it.(magnetic field, mechanical force, induced current)

An electric current through a metallic conductor produces magnetic field around it. (Magnetic field, mechanical force, induced current)


Explanation: As an electric current passes through a metallic conductor magnetic field is produced around it. The magnetic field lines (which indicate the magnetic field) due to a metallic conductor is shown in the figure below.



More from this chapter

All 45 →
1

The magnification produced by a mirror is +1/3. Then the mirror is a _______ (concave mirror, convex mirror, plane mirror)

 2

The phenomenon of producing an emf in a circuit whenever the magnetic flux linked with a coil changes is________. (Electromagnetic induction, inducing current, inducing voltage, change in current)

 4

The field of view is maximum for _______(plane mirror, concave mirror, convex mirror)

 5

An object is placed 25 cm from a convex lens whose focal length is 10 cm. The image distance is ________. (50 cm, 16.66 cm, 6.66 cm, 10 cm)