The negative sign reverses the direction of the vector.

False

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True

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Similar questions

(a) State whether the current is a scalar or vector? What does the direction of current convey?
(b) State whether the potential is a scalar or vector? What does the positive and negative sign of potential convey?

Q. Magnetic field due to two current carrying conductors of the same length at the same point is

B

and

\frac{B}{4}

respectively when they are placed near the point one after the other. Now, if the direction of current of the first conductor is reversed, then the value of respective magnetic fields will be:

(

Here, negative sign represents the reversal of direction of the magnetic field

)

Negative sign in answer does not mean a wrong answer. It indicates that current are in opposite direction to assumed direction.

Q. The sign of acceleration is taken as negative in the equations of motion if the directions of velocity and acceleration are .

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