An Uncharged Spherical Conducting Shell Surrounds a Charge -Q at the Centre

question 31

Multiple Choice

An uncharged spherical conducting shell surrounds a charge -q at the centre of the shell.Then charge +3q is placed on the outside of the shell.When static equilibrium is reached, the charges on the inner and outer surfaces of the shell are respectively:

• A)+q, -q.
• B)(-q, +q.)
• C)+q, +2q.
• D)+2q, +q.
• E)+3q, 0.

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