please answer me quickly EKT 212 Exercises 1. The following values were obtained
ID: 1372589 • Letter: P
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please answer me quickly
EKT 212 Exercises 1. The following values were obtained from the measurements of the values of 147.2, 147.4, 147.9, 147.5, 147.7, 147.5, 147.6, 147.4, 147.6 and 147.5. Calculate a) The arithmetic mean b) Deviation of each value c) Sum of deviation d) Average deviation e) The standard deviation f) Precision of most frequent reading 2. Convert a basic D'Arsonval movement with an internal resistance of 100 ? and a full scale deflection of lmA into a multirange de voltmeter with the voltage ranges of a 0 1V,0-10V, 0-50V 3. A meter movement with an internal resistance of 100 and full-scale deflection current of lmA is to be configured as series type ohmmeter. Let say a half-scale deflection of 2k is desired, calculate the value of R1 and R2. Given that the internal battery is 3V 4, A wattmeter has a current coil of 0.03? resistance and a pressure coil of 6000 ?. The load takes 20 A at a voltage 220 V and 0.6 power factor. Calculate the percentage of error if the wattmeter is connected that i) The current coil is on the load side ii) The pressure coil is on the load side (Assume the wattmeter does not have any pressure coil inductance 5. An AC bridge is operated in balance where Zl is 400 2, Z2 is series combination of a resistor of value 600 ? and a capacitor of value 0.3 ?F, and Z3 is 1.2 kQ. Z4 is series combination of an unknown resistor and unknown capacitor (i) (ii) (iii) Sketch the circuit of the bridge with components values Write the impedance of each arm. Calculate the unknown impedancesExplanation / Answer
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