#### Answer

a) $F=qvBsin\theta$
Based on the given conditions , as per the right hand rule, force will be into the page (1)
b) $F=qvB$
or, $B=\frac{F}{qv}=\frac{20}{0.25\times2\times100}=0.4T$

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Published by
Pearson

ISBN 10:
0-32160-183-1

ISBN 13:
978-0-32160-183-4

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