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A three-winding transformer is connected to an AC source with 50 V rms as shown in the following figure. Voltages induced in the secondary windings are 2 V rms and 8 V rms. The output rms voltage V0 is,
A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current?
In a parallel RL circuit, there are 3 A rms in the resistive branch and 3 A rms in the inductive branch. The total rms current is
vg সম্পর্কে লেখা যায়-i. Vg (rms) ∞ Mii. Vg (rms) ∞ Piii. vg (rms) ∞ Tনিচের কোনটি সঠিক?
In a series RC circuit, 12 V(rms) is measured across the resistor and 15 V(rms) is measured across the capacitor. The rms source voltage is
For an SCR the average & rms values of current are I/4 & I/2 respectively. Calculate the average on-state current rating (ITAV). Take maximum RMS on-state current = 35 A.
For a direct current, the rms voltage is ________ the mean voltage.
Calculate the resistance in the circuit if the rms voltage is 20V and the rms current is 2A.
For a SCR the maximum rms on-state current is 35 A. If the SCR is used in a resistive circuit for a rectangular wave with conduction angle of 90°. Calculate the average & rms currents respectively.
A step-down delta-star transformer, with per-phase turns ratio of 5 is fed from a 3-phase 1100 V source. The secondary of this transformer is connected through a 3-pulse type rectifier, which is feeding an R load. The power delivered to the load is 6839.3 Watts. The maximum value of the load current is √2 x 22 A. Fin, the rms value of output voltage Vo (rms)