# A galvanometer has a resistance of 5Ω. By using a shunt wire of resistance 0.05Ω,…

A galvanometer has a resistance of 5Ω. By using a shunt wire of resistance 0.05Ω, the galvanometer could be converted to an ammeter capable of reading 2Amp. What is the current through the galvanometer?

Pls i need more and better explanation for this. 👆👆👆?

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## A moving cool galvanometer of 300 ohms resistance gives full scale deflection for 1.0mA. The…

A moving cool galvanometer of 300 ohms resistance gives full scale deflection for 1.0mA. The resistance, R, of the shunt that is required to convert the galvanometer into a 3. 0 ammeter is?

## A galvanometer of resistance 50Ω gives a f.s.d. of 1mA is used to read up…

A galvanometer of resistance 50Ω gives a f.s.d. of 1mA is used to read up to   5A current. Calculate the shunt resistance. Pls show workings?

## A piece of resistance wire of diameter 0.2 mm and resistance 7 Ω has resistivity…

A piece of resistance wire of diameter 0.2 mm and resistance 7 Ω has resistivity of 8.8 X 10^-7 Ωm. Calculate the length of the wire. (π = 22/7 ).
1 point
1500000 m
250000 m
25 m
0.25 m?

## A platinum resistance thermometer measures temperature on the assumption that the change in electrical resistance…

A platinum resistance thermometer measures temperature on the assumption that the change in electrical resistance of the platinum wire at 0°C is 10.4 ohms and 10.71 ohms at 100°C. Calculate the temperature when the resistance is 9.61 ohms. What will be the resistance of the wire when the temperature is 45°C?

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