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Electric Charges And Fields

Question

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The ratio of magnetic moments of two short magnets which give null deflection in tan B position at 12 cm and 18 cm from the centre of a deflection magnetometer is

4:9

27:8

2:3

8:27

Solution

8:27

$\frac{M_{1}}{d_{1}^{3}} = \frac{M_{3}}{d_{2}^{3}} or \frac{M_{1}}{M_{2}} = {(\frac{d_{1}}{d_{2}})}^{3} = {(\frac{2}{3})}^{3} = \frac{8}{27} M_{1} : M_{2} = 8 : 27$

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Electric Charges And Fields

The ratio of magnetic moments of two short magnets which give null deflection in tan B position at 12 cm and 18 cm from the centre of a deflection magnetometer is

4:9

27:8

2:3

8:27

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For Daily Free Study Material Join wiredfaculty

Electric Charges And Fields

The ratio of magnetic moments of two short magnets which give null deflection in tan B position at 12 cm and 18 cm from the centre of a deflection magnetometer is 4:9 27:8 2:3 8:27

Some More Questions From Electric Charges and Fields Chapter

The working of dynamic is based on the principle of

X-rays are

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

The ratio of magnetic moments of two short magnets which give null deflection in tan B position at 12 cm and 18 cm from the centre of a deflection magnetometer is

4:9

27:8

2:3

8:27