Home
Class 11
PHYSICS
The force of attraction between two long...

The force of attraction between two long parallel conductors 1 metre apart carrying unit ampere current in same direction is

A

`2 xx 10^(-7)` N/m

B

`10^(-7)` N/m

C

`10^(-5)` N/m

D

`0.5 xx 10^(-6)` N/m

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise Critical Thinking Introduction|38 Videos
  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise Competitive Thinking Introduction|58 Videos
  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos
  • MAGNETISM

    TARGET PUBLICATION|Exercise MCQs|150 Videos

Similar Questions

Explore conceptually related problems

Define SI unit of current in terms of the force between two parallel current carrying conductors. (b) Two long straight parallel conductors carrying steady currents I_(a)andI_(b) along the same direction are separated by a distance d. How does one explain the force of attraction between them ? If a third conductor carrying a current I_(c) in the opposite direction is placed just in the middle of these conductors , find the resultant force acting on the third conductor.

The two linear parallel conductors carrying currents in the opposite direction…………………each other.

Two linear parallel conductors carrying currents in the same direction attract each other and two linear parallel conductors carrying currents in opposite direction repel each other. The force acting per unit length due to currents I_1 and I_2 in two linear parallel conductors held distance r apart in vacuum in SI unit is F=(mu_0)/(4pi)(2I_1I_2)/(r) Read the above passage and answer the following questions: (i) What is the basic reason for the force between two linear parallel conductors carrying currents? (ii) Two straight wires A and B of lengths 2cm and 20cm , carrying currents 2*0A and 5*0A respectively in opposite directions are lying parallel to each other 4*0cm apart. The wire A is held near the middle of wire B. What is the force on 20cm long wire B? (iii) What does this study imply in day to day life?

Find the force between two parallel conductors carrying currents (i) in the same direction (ii) in opposite directions and hence define one ampere.

Using the concept of force between two infinitely long parallel current carrying conductors, define one ampere of current between two infinitely long parallel current carrying conductors, define one ampere of current.

The force per unit length between two parallel long current carrying conductor is F. If the current in each conductor is tripled, what would be the value of the force per unit length between them?

The force exerting between the two parallel current carrying conductors if F. If the current in each conductor is doubled, what is the value of force acting between them?

What type of force is acting between two parallel wires carrying current in the same direction? What happens if one of the current is reversed?