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Higher Study | Electrical and Electronics Measurements | Q Meter

Q-meter is used to measure
A moving coil instrument has a resistance of 70 Ω and gives full scale deflection of 100 scale divisions for a current of 1 mA. The instrument is connected in parallel with a shunt of 30 Ω resistance and this combination is then connected in series with a load and supply. Determine the current in the load when the instrument gives an indication of 80 scale divisions.
Among the following which one of the bridge method is commonly used for finding mutual inductance
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