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The diagram depicts , and are mutually perpendicular. If direction of is indicated with , direction…
The diagram depicts $\vec{v}$, $\vec{E}$ and $\vec{B}$ are mutually perpendicular.
If direction of $\vec{E}$ is indicated with $\hat{j}$, direction of $\vec{B}$ is indicated with $\hat{k}$ then direction of $\vec{v}$ is indicated as …….
The force value in each case is stated. State the value of E and B as equal to zero or not equal to zero in each case.
(a)
The value of resultant F = 0 if E = 0 and B …… (choose B = 0 OR B $\neq$ 0)
(b)
The value of resultant F may be zero (if $\theta = 0^\circ$ or $180^\circ$) if B $\neq$ 0 and E …… (choose E = 0 OR E $\neq$ 0)
(c)
F = 0 (if $\vec{F}_e = \vec{F}_m$ and their directions are opposite) if E $\neq$ 0, B …… (choose B = 0 OR B $\neq$ 0)
(d)
F $\neq$ 0 (because $\vec{v} \neq$ constant) if E $\neq$ 0, B …… (choose B = 0 OR B $\neq$ 0)
Answer
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From ISC 2025 Practice Physics, question 95.