Question

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 × 10⁻³¹ kg and 1.6 × 10⁻¹⁹ C.)(a) –5.6 × 10⁻¹¹ N/C(b) –4.8 × 10⁻¹⁵ N/C(c) –1.6 × 10⁻¹⁹ N/C(d) –3.2 × 10⁻¹⁹ N/C

Answer 1

HERE IS YOUR ANSWER :-

Option No. A

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