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Attraction and Repulsion between Magnets

Lisa did an e...

Question

Lisa did an experiment to find out which part of the magnet attracts the most pins. Which of the following readings is correct regarding the number of pins attracted by the different parts of the magnet?

P- 8; Q- 1; R- 2; S- 8

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P- 8; Q- 3; R- 3; S- 2

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P- 3; Q- 2; R- 3; S- 8

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P- 1; Q- 8; R- 8; S- 1

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Solution

The correct option is B P- 8; Q- 1; R- 2; S- 8
P and S are the poles of the magnet and the magnetic forces is strongest at these ends. So, they will attract the maximum number of pins.

Suggest Corrections

Similar questions

Q. Let

P Q R

be a triangle in which

P Q = 3

. From the vertex

R

, draw the altitude

R S

to meet

P Q

S

. Assume that

R S = \sqrt{3}

and

P S = Q R

. Then

P R

equals

Q. In a parallelogram PQRS, L and M are the mid-point of QR and B RS respectively Prove that:

a r (Δ P L M) = \frac{3}{8} a r P Q R S)

Q. Let

P

and

R

are two points on the parabola

y = x^{2}

such that

P S

and

R S

be the tangents at

P

and

R,

and

P Q

and

R Q

be the normal drawn at

P

and

R

respectively. If the length of rectangle

P Q R S

form is twice of its width, then which of the following is/are correct?

Q. The measures of the angles of

△ Q R S

are

m ∠ Q = 2 x + 4, m ∠ R = 4 x - 12,

and

m ∠ S = 3 x + 8.

Q R = y + 9, R S = 2 y - 7

, and

Q S = 3 y - 13.

The perimeter of

△ Q R S

is:

$In square PQRS : (i) i f P Q = 3 x - 7 a n d Q R = x + 3; f i n d P S (i i) i f P R = 5 x a n d Q R = 9 x - 8. F i n d Q S$

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Lisa did an experiment to find out which part of the magnet attracts the most pins. Which of the following readings is correct regarding the number of pins attracted by the different parts of the magnet?

The correct option is B P- 8; Q- 1; R- 2; S- 8P and S are the poles of the magnet and the magnetic forces is strongest at these ends. So, they will attract the maximum number of pins.

The correct option is B P- 8; Q- 1; R- 2; S- 8
P and S are the poles of the magnet and the magnetic forces is strongest at these ends. So, they will attract the maximum number of pins.