4.Moving Charges and Magnetism
easy

लॉरेन्ज बल का परिकलन करने के लिये सूत्र है

A

$q \overrightarrow{ E }+ q (\overrightarrow{ V } \times \overrightarrow{ B })$

B

$q (\overrightarrow{ V } \times \overrightarrow{ B })$

C

$q \overrightarrow{ E }+ q (\overrightarrow{ B } \times \overrightarrow{ V })$

D

$q \overrightarrow{ B }+ q (\overrightarrow{ E } \times \overrightarrow{ V })$

(AIPMT-2002)

Solution

लॉरेन्ज बल

$\overrightarrow F  = \overrightarrow {{F_e}}  + \overrightarrow {{F_m}}  = q\overrightarrow E  + q(\overrightarrow v  \times \overrightarrow B ) = q[\overrightarrow E  + (\overrightarrow v  \times \overrightarrow B )]$

Standard 12
Physics

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