Academics – Electro-Technology : 2014/OCT/01
Question
Q22. The network shown in Fig Q1 is for sensing temperature.
(a) Calculate the value of the sensing element Rx so that the meter will read full scale deflection (FSD) of 1 mA.
(b) The meter becomes unserviceable and is replaced with one of the same resistance but full scale deflection 2 mA.
Calculate the value to which the 200Ω resistor will have to be changed to enable the meter to continue reading FSD.
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