Question 4
Point (-10, 0) lies

A) On the negative direction of the x-axis
B) On the negative direction of the y-axis
C) In the third quadrant
D) In the fourth quadrant

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Solution

The answer is A.
In Point (-10, 0), y-coordinate is zero.
So, it lies on x-axis and its x-coordinate is negative. So, the point (- 10, 0) lies on the x-axis in the negative direction.

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A wire carries a steady current of 2.4 A. A straight section of the wire is 0.75 m long and lies along the x axis within a uniform magnetic field, B = (1.6 k) T. If the current is in the + x direction, what is the magnetic force on that section of wire?

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Plot the Points on the Given Co-Ordinates

Standard IX Mathematics

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Question 4 Point (-10, 0) lies A) On the negative direction of the x-axis B) On the negative direction of the y-axis C) In the third quadrant ​​​​​​​D)​​​​​​​ In the fourth quadrant

The answer is A. In Point (-10, 0), y-coordinate is zero. So, it lies on x-axis and its x-coordinate is negative. So, the point (- 10, 0) lies on the x-axis in the negative direction.

Question 4
Point (-10, 0) lies

A) On the negative direction of the x-axis
B) On the negative direction of the y-axis
C) In the third quadrant
D) In the fourth quadrant

The answer is A.
In Point (-10, 0), y-coordinate is zero.
So, it lies on x-axis and its x-coordinate is negative. So, the point (- 10, 0) lies on the x-axis in the negative direction.