CameraIcon

SearchIcon

MyQuestionIcon

485

You visited us 485 times! Enjoying our articles? Unlock Full Access!

Magnetic Field Due to a Straight Current Carrying Conductor

On passing el...

Question

On passing electric current in two long straight conductors in mutually opposite directions, the magnetic force acting between them will be

A

attractive

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

repulsive

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

both attractive and repulsive

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

neither attractive nor repulsive

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C repulsive
If electric current in two long straight conductors is in mutually opposite directions, the magnetic force acting between them will be repulsive.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Derive an expression for the force per unit length acting on the two straight parallel current carrying conductors. In which condition will this force be attractive and repulsive? Define the standard unit of current

Q. Two long parallel wires carrying currents 2.0 A and 4.0 A respectively in opposite directions. The separation between the wires is 0.25 m. Calculate the force per unit length between them in the order of

10^{- 6}

.Also, state whether it will be attractive or repulsive.Take magnetic permeability as

μ_{0} = 4 π \times 10^{- 7} N / A^{2}

Formula to be used,

F (p e r u n i t l e n g t h) = \frac{μ_{0} I_{1} I_{2}}{2 π d}

Q. Two long straight parallel conductors carry steady current

I_{1}

I_{2}

separated by a distance d. If the currents are flowing in the same direction, show how the magnetic field set up in one produces an attractive force on the other. Obtain the expression for this force. Hence define one ampere.

Q. In a current carrying conductor, if the direction of magnetic field and that of the current are mutually perpendicular to each other, then the force acting on the conductor will be

Q. Equal current

i

is flowing in two parallel infinite long conductors at distant

2 l

, in mutually opposite directions as shown in the figure. The magnetic induction at a point

p

r

from both conductors will be :

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Magnetism Due to Current

PHYSICS

Watch in App

explore_more_icon

Explore more

Magnetic Field Due to a Straight Current Carrying Conductor

Standard X Physics

Join BYJU'S Learning Program

CrossIcon