Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

A long straight conductor carrying current of 5A is placed in north south direction. Find the magnetic field due to 15 cm piece of the conductor at a point 3m-north east from the piece, if the current is flowing from south to north.
Asked by Topperlearning User | 18 May, 2015, 03:52: PM
answered-by-expert Expert Answer

I = 5A, dl = 15 cm = 0.15 m, r = 3 m, θ = 45°

According to Biot Savart’s law,

 begin mathsize 11px style dB space equals space fraction numerator straight mu subscript 0 over denominator 4 straight pi end fraction fraction numerator Idl space sinθ over denominator straight r squared end fraction space equals space fraction numerator 10 to the power of negative 7 end exponent space cross times space 5 space cross times space 0.15 space cross times space sin 45 to the power of degree over denominator 9 end fraction space equals space 5.8 space cross times space 10 to the power of negative 19 end exponent straight T end style

Answered by | 18 May, 2015, 05:52: PM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 12-science - Physics
state biot savart law
Asked by himanshurawat5823 | 08 Mar, 2024, 01:24: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
why the flux of magnetic field over a closed surface always zero?
Asked by yashrajgharte24.12dgatl | 24 Aug, 2021, 07:23: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
derivation and expression for the magnetic induction at point dou to strith current carring condoctor
question image
Asked by bhurkeshiva | 16 Apr, 2019, 11:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
An electron and a proton having equal momenta enter a uniform magnetic field at right angles to the field lines. What will be the ratio of the radii of curvature of their trajectories?  
Asked by Nareshthakur4321nct | 17 Jan, 2019, 09:24: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
State Biot Savart's law for the magnetic field produced at a point due to current element.
Asked by Topperlearning User | 18 May, 2015, 02:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
How will you find the direction of the magnetic field produced due to the current element of conductor?
Asked by Topperlearning User | 18 May, 2015, 02:28: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Find the magnetic field produced by a long straight conductor of length L carrying current I of negligible area of cross section at a point on the conductor itself?
Asked by Topperlearning User | 18 May, 2015, 02:29: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
When will be the magnetic field produced at a point due to current element maximum and minimum?
Asked by Topperlearning User | 18 May, 2015, 02:31: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Find the magnetic field induction at a point on the axis of a circular coil carrying current.
Asked by Topperlearning User | 18 May, 2015, 03:35: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Find the magnetic field produced if the point lies at the centre of circular coil carrying current?
Asked by Topperlearning User | 18 May, 2015, 03:36: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×