Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5

Q.

A steady electric current is flowing through a cylindrical conductor

I) The electric field at the axis of  conductor due  to the current is zero

II) The magnetic field at the axis of the conductor is zero

III) The Electric field in the vicinity of the conductor is zero

IV) The magnetic field in the vicinity of the conductor is zero

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

Only I, II & III are true

b

Only I, II are true

c

Only II, III & IV are true

d

Only II & III are true

answer is C.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

detailed_solution_thumbnail

Given statements:

I) The electric field at the axis of  conductor due  to the current is zero

II) The magnetic field at the axis of the conductor is zero

III) The Electric field in the vicinity of the conductor is zero

IV) The magnetic field in the vicinity of the conductor is zero

Detailed Solution:

If a current passes through any conductor, net charge through any section is zero. hence, electric field in the vicinity of the conductor is zero. We can observe using Biot and Savart law that the magnetic field at the axis of the cylindrical wire will be zero. Electric field at the axis of the wire cannot be zero otherwise the current through the wire cannot flow.

 Hence, the correct option is C.

Watch 3-min video & get full concept clarity

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon