The radius of the orbit of an electron in hydrogen is 5 x 10-1" m. The speed of electron is 2.2 x 10 m/s. The equivalent current is a) 3.14 mA b) 112 mA c) 1.12 mA d) 0.01 mA O vire Number

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The radius of the orbit of an electron in hydrogen is 5 x 10-1" m. The speed of electron is 2.2 × 10 m/s.
7.
The equivalent current is
a) 3.14 mA
[ ]
c) 1.12 mA
A current of 4A flows through a wire. Number of electrons which will pass through a given point in
b) 112 mA
d) 0.01 mA
8.
each second are
c) 25 x 1019
[ ]
a) 0.25 x 1019
b) 2.5 x 1019
d) 1,5 x 1019
Transcribed Image Text:The radius of the orbit of an electron in hydrogen is 5 x 10-1" m. The speed of electron is 2.2 × 10 m/s. 7. The equivalent current is a) 3.14 mA [ ] c) 1.12 mA A current of 4A flows through a wire. Number of electrons which will pass through a given point in b) 112 mA d) 0.01 mA 8. each second are c) 25 x 1019 [ ] a) 0.25 x 1019 b) 2.5 x 1019 d) 1,5 x 1019
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