The voltage regulation in magnetic amplifier type voltage regulator is effected by varying the reactance.
A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is the required value of series resistance with source? A) 5.45 Ω B) 6 Ω C) 7.2 Ω D) 6.38 Ω Answer : A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is the required value of series resistance with source? A) 5.45 Ω B) 6 Ω C) 7.2 Ω D) 6.38 Ω ...
A transformer has negative voltage regulation when its load power factor is (1) Zero (2) Unity (3) Leading (4) Lagging Answer : Leading...
Identify the increasing order of voltage regulation of the following dc generators a same load : (A) differential compound, shunt and under compound (B) shunt, differential compound and ... C) under compound, shunt and differential compound (D) shunt, under compound and differential compound Answer : Identify the increasing order of voltage regulation of the following dc generators a same load : under compound, shunt and differential compound ...
Negative voltage regulation is indicative that the load is? Answer : Negative voltage regulation is indicative that the load is capacitive. ...
A good voltage regulation of a transformer means? Answer : A good voltage regulation of a transformer means output voltage fluctuation from no load to full load is least. ...
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