The acceleration of an electron at a certain moment in a magnetic field B-2-3-4k- is a-x-k-The value of x is

The correct option is B 0.5 B⃗·F⃗=0 as B⃗F⃗ ∴ #160; #160; #160; #160; #160; #160; #160;B⃗·α⃗ =0 2x+3 4=0 ∴ #160; ...

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Byju's Answer

Standard XII

Physics

Analysis of Force Equation

The accelerat...

Question

The acceleration of an electron at a certain moment in a magnetic field $\to B = 2^i + 3^j + 4^k$ is $\to a = x^i +^j -^k$ .The value of x is

0.5

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2.5

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1.5

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Solution

The correct option is B 0.5
$\to B \cdot \to F = 0$ as $\to B ⊥ \to F$
$∴ \to B \cdot \to α = 0$
$2 x + 3 - 4 = 0$
$∴ x = 0.5$

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The acceleration of an electron at a certain moment in a magnetic field →B=2^i+3^j+4^k is →a=x^i+^j−^k.The value of x is

The correct option is B 0.5→B⋅→F=0 as →B⊥→F∴→B⋅→α=02x+3−4=0∴x=0.5

The acceleration of an electron at a certain moment in a magnetic field $\to B = 2^i + 3^j + 4^k$ is $\to a = x^i +^j -^k$ .The value of x is

The correct option is B 0.5
$\to B \cdot \to F = 0$ as $\to B ⊥ \to F$
$∴ \to B \cdot \to α = 0$
$2 x + 3 - 4 = 0$
$∴ x = 0.5$