The Bar Magnet
PHXII05:MAGNETISM and MATTER

360596 Two magnets of equal magnetic moments \(M\) each are placed as shown in figure. The resultant magnetic moment is
supporting img

1 \(M\)
2 \(M/2\)
3 \(\sqrt{3} M\)
4 \(\sqrt{2} M\)
PHXII05:MAGNETISM and MATTER

360597 Following figures show the arrangenment of bar magnets in different configurations. Each magnet has magnetic dipole moment \(M\). Which configuration has the highest net magnetic dipole moment?
supporting img

1 \((iv)\)
2 \((iii)\)
3 \((ii)\)
4 \((i)\)
PHXII05:MAGNETISM and MATTER

360598 Two magnets have the same length and the same pole strength, but one of the magnets has a small hole at its center then

1 One with hole has large magnetic moment
2 One with hole has smaller magnetic moment
3 One with hole loses magnetism through the hole
4 Both have equal magnetic moment
PHXII05:MAGNETISM and MATTER

360599 The dipole moment associated with an iron atom in an iron bar is \(1.8 \times {10^{ - 23}}A{m^2}\). Assume the bar is 5\(cm\) long, has cross-sectional area of \(1\,c{m^2}\) and all iron atoms have their dipole moment aligned. The dipole moment of the bar is [density \( = 7.8\;g/cc]\)

1 \(6.6A.\,{m^2}\)
2 \(5.6\;A.{m^2}\)
3 \(7.6A.\,{m^2}\)
4 None of these
PHXII05:MAGNETISM and MATTER

360600 Assertion :
The individual poles of magnet cannot be separated by breaking into two pieces.
Reason :
The magnetic moment will be reduced to half when a magnet is broken into two equal pieces.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII05:MAGNETISM and MATTER

360596 Two magnets of equal magnetic moments \(M\) each are placed as shown in figure. The resultant magnetic moment is
supporting img

1 \(M\)
2 \(M/2\)
3 \(\sqrt{3} M\)
4 \(\sqrt{2} M\)
PHXII05:MAGNETISM and MATTER

360597 Following figures show the arrangenment of bar magnets in different configurations. Each magnet has magnetic dipole moment \(M\). Which configuration has the highest net magnetic dipole moment?
supporting img

1 \((iv)\)
2 \((iii)\)
3 \((ii)\)
4 \((i)\)
PHXII05:MAGNETISM and MATTER

360598 Two magnets have the same length and the same pole strength, but one of the magnets has a small hole at its center then

1 One with hole has large magnetic moment
2 One with hole has smaller magnetic moment
3 One with hole loses magnetism through the hole
4 Both have equal magnetic moment
PHXII05:MAGNETISM and MATTER

360599 The dipole moment associated with an iron atom in an iron bar is \(1.8 \times {10^{ - 23}}A{m^2}\). Assume the bar is 5\(cm\) long, has cross-sectional area of \(1\,c{m^2}\) and all iron atoms have their dipole moment aligned. The dipole moment of the bar is [density \( = 7.8\;g/cc]\)

1 \(6.6A.\,{m^2}\)
2 \(5.6\;A.{m^2}\)
3 \(7.6A.\,{m^2}\)
4 None of these
PHXII05:MAGNETISM and MATTER

360600 Assertion :
The individual poles of magnet cannot be separated by breaking into two pieces.
Reason :
The magnetic moment will be reduced to half when a magnet is broken into two equal pieces.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII05:MAGNETISM and MATTER

360596 Two magnets of equal magnetic moments \(M\) each are placed as shown in figure. The resultant magnetic moment is
supporting img

1 \(M\)
2 \(M/2\)
3 \(\sqrt{3} M\)
4 \(\sqrt{2} M\)
PHXII05:MAGNETISM and MATTER

360597 Following figures show the arrangenment of bar magnets in different configurations. Each magnet has magnetic dipole moment \(M\). Which configuration has the highest net magnetic dipole moment?
supporting img

1 \((iv)\)
2 \((iii)\)
3 \((ii)\)
4 \((i)\)
PHXII05:MAGNETISM and MATTER

360598 Two magnets have the same length and the same pole strength, but one of the magnets has a small hole at its center then

1 One with hole has large magnetic moment
2 One with hole has smaller magnetic moment
3 One with hole loses magnetism through the hole
4 Both have equal magnetic moment
PHXII05:MAGNETISM and MATTER

360599 The dipole moment associated with an iron atom in an iron bar is \(1.8 \times {10^{ - 23}}A{m^2}\). Assume the bar is 5\(cm\) long, has cross-sectional area of \(1\,c{m^2}\) and all iron atoms have their dipole moment aligned. The dipole moment of the bar is [density \( = 7.8\;g/cc]\)

1 \(6.6A.\,{m^2}\)
2 \(5.6\;A.{m^2}\)
3 \(7.6A.\,{m^2}\)
4 None of these
PHXII05:MAGNETISM and MATTER

360600 Assertion :
The individual poles of magnet cannot be separated by breaking into two pieces.
Reason :
The magnetic moment will be reduced to half when a magnet is broken into two equal pieces.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII05:MAGNETISM and MATTER

360596 Two magnets of equal magnetic moments \(M\) each are placed as shown in figure. The resultant magnetic moment is
supporting img

1 \(M\)
2 \(M/2\)
3 \(\sqrt{3} M\)
4 \(\sqrt{2} M\)
PHXII05:MAGNETISM and MATTER

360597 Following figures show the arrangenment of bar magnets in different configurations. Each magnet has magnetic dipole moment \(M\). Which configuration has the highest net magnetic dipole moment?
supporting img

1 \((iv)\)
2 \((iii)\)
3 \((ii)\)
4 \((i)\)
PHXII05:MAGNETISM and MATTER

360598 Two magnets have the same length and the same pole strength, but one of the magnets has a small hole at its center then

1 One with hole has large magnetic moment
2 One with hole has smaller magnetic moment
3 One with hole loses magnetism through the hole
4 Both have equal magnetic moment
PHXII05:MAGNETISM and MATTER

360599 The dipole moment associated with an iron atom in an iron bar is \(1.8 \times {10^{ - 23}}A{m^2}\). Assume the bar is 5\(cm\) long, has cross-sectional area of \(1\,c{m^2}\) and all iron atoms have their dipole moment aligned. The dipole moment of the bar is [density \( = 7.8\;g/cc]\)

1 \(6.6A.\,{m^2}\)
2 \(5.6\;A.{m^2}\)
3 \(7.6A.\,{m^2}\)
4 None of these
PHXII05:MAGNETISM and MATTER

360600 Assertion :
The individual poles of magnet cannot be separated by breaking into two pieces.
Reason :
The magnetic moment will be reduced to half when a magnet is broken into two equal pieces.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII05:MAGNETISM and MATTER

360596 Two magnets of equal magnetic moments \(M\) each are placed as shown in figure. The resultant magnetic moment is
supporting img

1 \(M\)
2 \(M/2\)
3 \(\sqrt{3} M\)
4 \(\sqrt{2} M\)
PHXII05:MAGNETISM and MATTER

360597 Following figures show the arrangenment of bar magnets in different configurations. Each magnet has magnetic dipole moment \(M\). Which configuration has the highest net magnetic dipole moment?
supporting img

1 \((iv)\)
2 \((iii)\)
3 \((ii)\)
4 \((i)\)
PHXII05:MAGNETISM and MATTER

360598 Two magnets have the same length and the same pole strength, but one of the magnets has a small hole at its center then

1 One with hole has large magnetic moment
2 One with hole has smaller magnetic moment
3 One with hole loses magnetism through the hole
4 Both have equal magnetic moment
PHXII05:MAGNETISM and MATTER

360599 The dipole moment associated with an iron atom in an iron bar is \(1.8 \times {10^{ - 23}}A{m^2}\). Assume the bar is 5\(cm\) long, has cross-sectional area of \(1\,c{m^2}\) and all iron atoms have their dipole moment aligned. The dipole moment of the bar is [density \( = 7.8\;g/cc]\)

1 \(6.6A.\,{m^2}\)
2 \(5.6\;A.{m^2}\)
3 \(7.6A.\,{m^2}\)
4 None of these
PHXII05:MAGNETISM and MATTER

360600 Assertion :
The individual poles of magnet cannot be separated by breaking into two pieces.
Reason :
The magnetic moment will be reduced to half when a magnet is broken into two equal pieces.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.