1.

4 muF and 6 muF capacitors are joined in series and 500 V are applied between the outer plates of the system. What is the charge on each plate '?

Answer»

`1.2xx10^(-3) C `
`6.0 xx10^(-3)` C
`5.0 xx10^(-3)`
`1.0 xx10^(-3) ` C

Solution :EQUIVALENT CAPACITANCE of series connection of 4 `MU`F and 6 `mu`F is,
` C = (4xx6)/(4+6) `
`= (24)/(10)`
`= 2.4 mu F `
Total CHARGE on CAPACITOR is
Q= CV
`= 2.4 xx10^(-6) xx500 `
`= 12 xx10^(-4) = 1.2 xx10^(-3) C `
`:.` Charge on each plate as series connection is
`= 1.2 xx10^(-3) ` C


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