Home
Class 11
PHYSICS
A current carrying metal wire of diamete...

A current carrying metal wire of diameter 2 mm produces a maxiumum magnetic field of magnitude `4xx10^(-3)` T. What is the current in the wire ?

A

`5 A `

B

`10sqrt2A`

C

`15 A`

D

`20 A `

Text Solution

AI Generated Solution

To find the current in a wire that produces a given magnetic field, we can use the formula for the magnetic field around a long straight conductor, which is given by: \[ B = \frac{\mu_0 I}{2\pi r} \] Where: - \( B \) is the magnetic field (in teslas), ...
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    MARVEL PUBLICATION|Exercise MCQ (GRAPHICAL MCQS)|2 Videos

  • FRICTIONAL IN SOLIDS AND LIQUIDS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|10 Videos

  • MAGNETISM

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|10 Videos

Similar Questions

Explore conceptually related problems

A current carrying wire in the neighborhood produces

A current carrying wire produces in the neighbourhood

A long straight wire carrying a current of 20A is placed in an external uniform magnetic field of 3xx10^-4T parallel to the current. Find the magnitude of resultant field at a point 2*0cm away from the wire.

A current carrying wire is placed along east and west in a magnetic field directed north wards. If the current in the wire is directed east wards, the direction of force on the wire is

A wire 2.30 m long carries a current of 13.0 A and makes an angle of 35.0^(@) with a uniform magnetic field of magnitude B = 1.50 T. Calculate the magnetic force on the wire.

A long straight wire carrying a current of 25A is placed in an external uniform magnetic field 3*0xx10^-4T parallel to the current. Find the magnitude of the resultant magnetic field at a point 1*5cm away from the wire.

A square wire loop of side 30cm & wire cross section having diameter 4mm is placed perpendicular to a magnetic field changing at the rate 0.2 T/s. Final induced current in the wire loop. (Given: Resistivity of wire material is (1.23xx10^(-8) ohm m)

A wire carrying current I and other carrying 2I in the sam direction produce a magnetic field B at the midpoint. What will be the field when 2I wire is swiched off?

A long straight wire carrying current of 30 A is placed in an external uniform magnetic field of induction 4xx10^(4) T . The magnetic field is acting parallel to the direction of current. The magnitude of the resultant magnetic inuduction in tesla at a point 2.0 cm away form the wire is