Electric Circuits When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will decrease. none of these. increase. remain constant. decrease. none of these. increase. remain constant. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is form factor? R.M.S. value / Average value. Instantaneous value / Average value. Average value / Peak value. Average value / R.M.S. value. R.M.S. value / Average value. Instantaneous value / Average value. Average value / Peak value. Average value / R.M.S. value. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In ac RC series circuit total voltage is 10V and voltage across resistor is 6V, then what is voltage across capacitor? 16V 10V 8V 4V 16V 10V 8V 4V ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 50 Ohms. 200 Ohms. 400 Ohms. 100 Ohms. 50 Ohms. 200 Ohms. 400 Ohms. 100 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits VRN, VYN and VBN are three phase voltage of a balanced three phase system. If VRN = 200∠30o V and VBN = 200∠- 90o V, then phase sequence of the system is RYB. BRY. RBY. YRB. RYB. BRY. RBY. YRB. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 1. 10. 0.4. 0.85. 1. 10. 0.4. 0.85. ANSWER DOWNLOAD EXAMIANS APP
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