recategorized by
605 views
0 0 votes

Which one of the following vector functions represents a magnetic field $\overrightarrow{B}$?

$\text{($\hat{X}, \hat{Y}$ and $\hat{Z}$ are unit vectors along x-axis, y-axis, and z-axis, respectively)}$

  1. $10x\hat{X}+20y\hat{Y}-30z\hat{Z}$
  2. $10y\hat{X}+20x\hat{Y}-10z\hat{Z}$
  3. $10z\hat{X}+20y\hat{Y}-30x\hat{Z}$
  4. $10x\hat{X}-30z\hat{Y}+20y\hat{Z}$

1 Answer

Related questions

0 0 votes
1 1 answer
605
605 views
Arjun asked Feb 19, 2021
605 views
Let $f\left ( x \right )$ be a real-valued function such that ${f}'\left ( x_{0} \right )=0$ for some $x _{0} \in\left ( 0,1 \right ),$ and ${f}''\left ( x \right ) 0$ fo...
0 0 votes
0 0 answers
327
327 views
Arjun asked Feb 19, 2021
327 views
Suppose the circles $x^{2}+y^{2}=1$ and $\left ( x-1\right )^{2}+\left ( y-1 \right )^{2}=r^{2}$ intersect each other orthogonally at the point $\left ( u,v \right )$. Th...
0 0 votes
0 0 answers
318
318 views
Arjun asked Feb 19, 2021
318 views
In the open interval $\left ( 0,1 \right )$, the polynomial $p\left ( x \right) =x^{4}-4x^{3}+2$ hastwo real rootsone real rootthree real rootsno real roots
0 0 votes
0 0 answers
337
337 views
Arjun asked Feb 19, 2021
337 views
Let $\left ( -1 -j \right ), \left ( 3 -j \right ), \left ( 3 + j \right )$ and $\left ( -1+ j \right )$ be the vertices of a rectangle $C$ in the complex plane. Assuming...
Position:
Show:
Answer: