Electric Circuits What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons? 38. 20. 39. 19. 38. 20. 39. 19. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The time required for a pulse to change from 10 % to 90 % of its maximum value is known as fall time. run time. decay time. rise time. fall time. run time. decay time. rise time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases? VR and I. Z and I. VL and Z. VL and VR. VR and I. Z and I. VL and Z. VL and VR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a large resistance is connected in parallel to a small resistance then net resistance will be None of these smaller than the greater but larger than the smaller resistance. greater than the large resistance. smaller than the small resistance. None of these smaller than the greater but larger than the smaller resistance. greater than the large resistance. smaller than the small resistance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be 0.85. 0.9. 0.4. 0.6. 0.85. 0.9. 0.4. 0.6. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the resistance. 480 Ohms. 100 Ohms. 500 Ohms. 1000 Ohms. 480 Ohms. 100 Ohms. 500 Ohms. 1000 Ohms. ANSWER DOWNLOAD EXAMIANS APP