Charge on the capacitor is given by Q=Iαe−tIΔvε0β, where α and β are constants. t = time, I =current, ΔV= potential difference. Then dimensions of βα is same as the dimensions of
A
1√μ0ε0
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B
μ0ε0
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C
√ε0μ0
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D
1μ0ε0
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Solution
The correct option is B1√μ0ε0 Since exponent is dimensionless,
Beta has dimensions of length (m)
Since Charge Q=It
On comparing α has dimensions of time.
Therefore, Units of βα=m/s
Since option A is the expression for velocity of light, it will have units m/s.