1.A radioactive isotope has a decay constant of 10^-6( ten rise to power negative six).Calculate it's half -life. Please explain your answer thanks.
2. A galvanometer of resistance 20 ohms is to be provided with a shunt that 1/10 of the whole current in a circuit passes through the galvanometer. The resistance of the shunt is. Please explain your answer thanks.?
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Asked by Lapkang Hygenus on 31st August, 2019
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