What are the directions of a magnetic bar...? Mcqs

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What are the directions of a magnetic bar...?

(A) North, South, East, West
(B) Up, Down, Left, Right

(C) Positive, Negative, Neutral
(D) North, South

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If we reverse the direction of electric current, then the direction of the magnetic field will be...?

(A) Reversed
(B) Remain same

(C) Become tangent
(D) Become normal

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If the direction of magnetic field is reversed, the direction of force is _____...?

(A) Reversed
(B) Not reversed

(C) May or may not reversed
(D) None of these

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What is the direction of the magnetic field lines inside a bar magnet...?

(A) From north pole to south pole
(B) South pole to north pole

(C) From side to side
(D) There are no magnetic field lines

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When parallel rays of light fall onto rough surface they are reflected in different directions and are scattered is called _____...?

(A) Regular Reflection
(B) Specular Reflection

(C) Diffused Reflection
(D) None

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