?

By Team Aakash Byju's | 6th November 2022

Your options are

Halved Doubled Tripled Zero

The correct answer is A. Halved.

[{"selector":"#anim-a8294ec4-8fa6-43f0-8b94-a5a523a2f818","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1a972ec9-4c0b-48c2-9b41-929fae13ecc2","keyframes":{"transform":["translate3d(-163.74502%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-20a22336-c953-4165-a7e4-d690ce9cc20f","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3ada0b0b-f58c-4e66-a9b5-210baf44698a","keyframes":{"transform":["translate3d(-116.34615%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-31373c7b-67be-4bd9-88ef-4cc017046d35","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6d3b9115-b07a-48d4-82c0-df4c55cb7800","keyframes":{"transform":["translate3d(-361.85568%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Detailed Explanation Arrow

[{"selector":"#anim-a69ad6ce-bcf0-4225-abc8-dab3f35a579b","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-19faa35f-e731-47d3-a3e6-2375c03da666","keyframes":{"transform":["translate3d(-116.24204%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Let M be the magnetic moment of a bar magnet. It is defined as M = length of the magnet x dipole strength.

[{"selector":"#anim-c781d8f7-f21c-45b1-8ea0-97241f63dc15","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-024fcc42-5ece-411a-97b1-63ac8a84e9d4","keyframes":{"transform":["translate3d(-116.24204%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Suppose the bar magnet is cut into two equal parts along its length, then Length of one of the parts = half the length of the bar magnet

[{"selector":"#anim-c5efce07-5c41-4a82-890b-bf87bed5f8be","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-91b089d8-d1ff-4c81-81fe-dfc2f093bcff","keyframes":{"transform":["translate3d(-115.92356%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5fa190df-5eb0-415e-a8e7-bc35c0cd3974","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3b3dff87-30f6-4727-8ccd-9e0ffbf57da0","keyframes":{"transform":["translate3d(-184.13794%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-03c4db4b-1998-4756-a7a5-753c2631ed9d","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9fd8133d-aec3-46a5-a3da-95e9cc1ee9de","keyframes":{"transform":["translate3d(-1726.66517%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d78d8bde-36b1-4b02-a367-f11c93024cc9","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4ba82d07-0f2a-4478-8a3f-7dfe5fc3f2b9","keyframes":{"transform":["translate3d(-1304.99982%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d7ca42f6-73c3-4fe1-b720-fe3a10196972","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ef5da011-0a5a-4138-8f84-e0cb7a5a58e8","keyframes":{"transform":["translate3d(-150%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b99d5676-2978-49ad-a6dc-b7b7afc5584a","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-72919496-e221-4b7e-beaa-e9f0cfb33c4b","keyframes":{"transform":["translate3d(-880.76911%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-97b3af99-0c92-4dc0-9040-00721307de9a","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e82b6242-4686-449a-9d96-4a5d3749502a","keyframes":{"transform":["translate3d(-179.64071%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Therefore, the magnetic moment of one of the parts of the cut magnet is m(1 or 2) = 1 2 (length of the magnet) × (dipole strength)

[{"selector":"#anim-32d51def-ba6d-4152-9882-40163fd3e4d7","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-60a09027-c5ee-4627-b701-e917b2754aac","keyframes":{"transform":["translate3d(-115.92356%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-181a679e-dcf2-41f0-9864-efb7583e06db","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-adcdee60-065b-4965-adf6-a436772086f5","keyframes":{"transform":["translate3d(-1979.99824%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7c21bdeb-e178-434b-9b63-842a31e75ad6","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1a540f52-795a-49c1-8301-d3fa8d9e4fb3","keyframes":{"transform":["translate3d(-1489.99973%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4615266a-999d-4a45-8b63-64017ed4593e","keyframes":{"opacity":[0,1]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d4e72b77-206d-45ab-b0cc-eb5810ebb123","keyframes":{"transform":["translate3d(-1524.99974%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1200,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] The previous equation is as same as m(1 or 2) = M. This explains that the magnetic moment of one of the parts is also halved. 2 1

?

The Magnetic Moment of One of the Halves of a Bar Magnet is

Your options are

A

B

D

C

The correct answer is A. Halved.

Read More Stories