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1. Electric Charges and Fields
normal

$(Z = 50)$ ન્યુકિલયસની ત્રિજયા $9 \times 10^{-15}\ m$ હોય,તો સપાટી પર વોલ્ટેજ કેટલો થાય?

A

$80\ V$

B

$8 \times {10^6}\,V$

C

$9\ V$

D

$9 \times {10^5}\,V$

Solution

$V = 9 \times {10^9} \times \frac{{ne}}{r} = 9 \times {10^9} \times \frac{{50 \times 1.6 \times {{10}^{ – 19}}}}{{9 \times {{10}^{ – 15}}}} = 8 \times {10^6}V$

Standard 12
Physics

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