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13. If mass of the electron = 9.1 x 10-31 kg. charge on the electron - 1.6x10-19 coulomb and q=9.8m/s. Then the intensity of the electric field required to balance the weight of an electron is (A) 5.6 x 10-9 NIC () 5-6 * 10- NK (c) 5.6 x 10-8 N/C (0) 5.6*10-7 NIC 14) A point charge 50 mc is located in the xy plane at

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Similar Questions

Q1

If mass of the electron $$= 9.1\times 10^{-31}\, kg$$. Charge on the electron $$=1.6\times 10^{-19}$$ coulomb and $$g = 9.8\, m/s^2$$. Then the intensity of the electric field required to balance the weight of an electron is -

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Q2

If the mass of the electron is

9.1 \times 10^{- 31} kg

and Charge its charge is

1.6 \times 10^{- 19} C

, then the intensity of the electric field required to balance the weight of an electron is

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Q3

If mass of the electron =

9.1 \times 10^{- 31}

kg. Charge on the electron =

1.8 \times 10^{19}

coulumb and g=

9.8 m / s^{2}

. Then the intensity of the electric field required to balance the weight of an electron is -

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Q4

The electric field intensity just sufficient to balance the Earth's gravitational attraction on an electron will be:

(Given mass and charge of an electron respectively are

9.1 \times 10^{- 31} k g

and

1.6 \times 10^{- 19} C

)

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Q5

An electron moving along positive X-axis with a $3 \times 10^{6}$ m/s speed, enters the region of a uniform electric field. The electron stops after travelling a distance of $90 m m$ in the field. The electric field strength is (charge on electron $= 1.6 \times 10^{- 19}$ , mass of electron $= 9.1 \times 10^{- 31} k g$ ) :

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