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Two metallic s pheres of radii R(1) and ...

Two metallic s pheres of radii `R_(1)` and `R_(2)` are connected b y a thin wire. If `+q_(1)~ and `+q_(2)` are the charges on the two s pheres then

A

q1/q2 = R1^2/ R2^2

B

q1/q2 = R1/ R2

C

q1/q2 = R1^3/ R2^3

D

q1/q2 =( R1^2 -R2^2/ R1^2+ R2^2)

Text Solution

Verified by Experts

The correct Answer is:
C
`v_(cm) = (m(2v) + m(-v))/(m + m) = (v)/(2)`
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Knowledge Check

  • Two metal wires of identical dimensions are connected in series. If sigma_(1) and sigma_(2) are the conductivities of the metal wires respectively, the effective conductivity of the combination is

    A
    `(sigma_(1) sigma_(2))/(sigma_(1) + sigma_(2))`
    B
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    C
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    D
    `(sigma_(1)+ sigma_(2))/(sigma_(1) sigma_(2))`

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    A
    `(R_(2))/(R_(1))`
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    C
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