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 10. 1. 0.4. 0.85. 10. 1. 0.4. 0.85. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Five cells are connected in series in a row and then four such rows are connected in parallel to Feed the current to a resistive load of 1.25Ω. Each cell has an emf of 1.5 V with internal resistance Of 0.2Ω. The current through the load will be 3.33 A 1 A 5 A 23.33 A 3.33 A 1 A 5 A 23.33 A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be 76.66. 66.66. 36.36. 40.25. 76.66. 66.66. 36.36. 40.25. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which property is used to oppose the flow of current ? Inductance Capacitance Poteintial difference Resistance Inductance Capacitance Poteintial difference Resistance ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An alternating voltage = 140 sinθ is supplied to a device which offers a resistance of 20 Ω in forward direction of current in reverse direction. Calculate the form factor. 1.414. 0.318. 0.57. 1.11. 1.414. 0.318. 0.57. 1.11. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in both ‘electric field’ and magnetic field’. none of above. magnetic field. electric field. both ‘electric field’ and magnetic field’. none of above. magnetic field. electric field. ANSWER DOWNLOAD EXAMIANS APP