A straight horizontal wire of mass 10mg ...

A straight horizontal wire of mass 10mg and length 1.0 cm carries a current of 2.0 A. what minimum megnetic field B should be applied in the region so that the magnetic force on the wire may balance its weight?

`4.9 xx 10^(-5) T `

`9.8 xx 10^(-5) T`

`1.96 xx 10^(-5)T `

`3.92 xx 10^(-5) T `

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

APPENDICES ( REVISION EXERCISE )
AAKASH SERIES|Exercise REVISION EXERCISE (MAGNETISM AND MATTER )|52 Videos
APPENDICES ( REVISION EXERCISE )
AAKASH SERIES|Exercise REVISION EXERCISE (CUTTENT ELECTRICITY )|108 Videos
ALTERNATING CURRENT
AAKASH SERIES|Exercise EXERCISE - III|24 Videos
APPENDICES (REVISION EXERCISE)
AAKASH SERIES|Exercise LAW OF MOTION|128 Videos

Similar Questions

Explore conceptually related problems

A straight wire of mass 200 g and length 1.5 m carries a current of 2 A. It is suspended in mid-air by a uniform horizontal magnetic field B. What is the magnitude of the magnetic field?

A straight wire of mass 400 g and length 2m carries a current of 2A. It is suspended in mid air by a uniform horizontal field B. What is the magnitude of the magnetic field ?

A wire of mass 100 g, length 1 m and current 5 A is balanced in mid air by a magnetic field B, then find the value of B.

A straight horizontal conductor of length L meter and mass m kg carries a current 'I' ampere. The minimum magnetic induction which must exist in the region to balance its weight

A straight wire having mass of 1.2 kg and length of 1m carries a current of 5 A. If the wire is suspended in mid-air by a uniform horizontal magnetic field, then the magnitude of field is

A wire of length L carries a current i along the x-axis. A magnetic field B=B_0(hati+hatj+hatk) exists in the space. Find the magnitude of the magnetic force acting on the wire.

A semicircular wire of radius 5.0 cm carries a current of 5.0 A. A magnetic field B of magnitude 0.50 T exists along the perpendicular to the plane of the wire. Find the magnitude of the magnetic force acting on the wire.

AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (MOVING CHANGES & MEGNETISM)

A straight wire of length 30 cm and mass 60 mg lies in a direction 30^...
Text Solution
|
A horizontal rod of mass 10 g and length 10 cm is placed on a smooth p...
Text Solution
|
A straight horizontal wire of mass 10mg and length 1.0 cm carries a cu...
Text Solution
|
A conductor of length 20cm and mass 18 mg lies in a direction of 60^@ ...
Text Solution
|
A parabolic section of wire, as shown in figure is located in the X-Y ...
Text Solution
|
A thin flexible wire of length L is connected to two adjacent fixed po...
Text Solution
|
A current I flows in an infinitely long wire with cross section in the...
Text Solution
|
A current of 2A flows in a network containing two equilateral triangle...
Text Solution
|
A particle of charge -16xx10^(-18) coulomb moving with velocity 10 ms^...
Text Solution
|
A wire carrying current I is tied between points P and Q and is in the...
Text Solution
|
A proton (mass m) accelerated by a potential difference V flies throug...
Text Solution
|
A positive charge 'q' of mass 'm' is moving along the +x axis. We wish...
Text Solution
|
An electric current flows in a wire from east to west- What will be t...
Text Solution
|
The ratio of the magnetic field at the centre of a current carrying ci...
Text Solution
|
Equal current i flow in two segment of a circular loop in the direc...
Text Solution
|
Two wires A and B are of lengths 40 cm and 30 cm. A is bent into a cir...
Text Solution
|
A circular coil of radius 2R is carrying current 'i' . The ratio of ma...
Text Solution
|
The magnetic field due to a current carrying circular loop of radius ...
Text Solution
|
The field due to a wire of n turns and radius r which carries a curren...
Text Solution
|
The magnetic induction at the centre of a circular coil of radius 10 c...
Text Solution
|