seraagah seraagah

14-01-2023
Physics

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A galvanometer of resistance 50 ohms which gives a full scale deflection for 1M.A is to be adapted to measure current of up to 5A.-calculate tht resistance of the resistor required.- if this resistor is made of a material of cross-sectional area 410^-4cm2 and resistivity 210^-6cm2 calculate it's length

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