Multiple choice

Find out the common potential of two spheres of radius 30 cm and 60 cm, which are charged to potential 60 volt to 55 volt, and are connected by a wire.

  1. 44.3

  2. 17 x 10-3

  3. 35.29 x 10-2

  4. 28.3 x 10-1

  5. 56.66 <o:p></o:p>
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Common potential v = (c1v1 + c2v2)/c1 + c2 Putting the values in above formula V = 56.66

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