A coil takes a current of 10.0 A and dissipates 1410 W when connected to a 230 V, 50 Hz sinusoidal supply. When another coil is connected in parallel with it, the total current taken from the supply is 20.0 A at a power factor of 0.866. Determine the current and the overall power factor when the coils are connected in series across the same supply.
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A coil takes a current of 10.0 A and dissipates 1410 W when connected to a...
A coil takes a current of 10.0 A and dissipates 1410 W when connected to a 230 V, 50 Hz sinusoidal supply. When another coil is connected in parallel with it, the total current taken from the supply is 20.0 A at a power factor of 0.866. Determine the current and the overall power factor when the coils are connected in series across the same supply.
Two sinusoidal e.m.f.s of peak values 50 V and 20 V respectively but differing in phase by 30° are induced in the same circuit. Draw the phasor diagram and ﬁnd the peak and r.m.s. values of the resultant e.m.f. A coil takes a current of 10.0 A and dissipates 1410 W when connected to a 230 V, 50 Hz sinusoidal supply. When another coil is connected in parallel with it, the total current taken from the supply is 20.0 A...
Circuit Analysis in Electrical Engineering 4. A resistor and a capacitor are connected in series across a 270-V ac supply. When the frequency is 40 Hz, the current flowing in the circuit is 6.25 A. When the frequency is 50 Hz, the current flowing in the circuit is 7.5 A Calculate the resistance and capacitance of the resistor and capacitor respectively. (99.97 μF; 16.798 Ω) If the resistor and capacitor are now connected in parallel across the 60-Hz supply, calculate...
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A 250V, 100 Hz sinusoidal supply is connected to a parallel network comprising three branches A, B, and C as follows: A, a coil of resistance 10 ohms; B, a series circuit of 5 ohms and inductive reactance of 9 ohms; C, a series circuit of 6 ohms, inductance of 50mH, and a capacitive reactance of 10 ohms. Determine a) The apparent power of the combination b) The rating and value of the capacitor to be connected in parallel to...
Please help me to answer this question. TQ A coil having a resistance of 20Ω in series with an inductance of 0.0382H, is connected in parallel with a circuit consisting of a 150μF capacitor in series with a 10 Ω resistor. The arrangement is connected to a 240V, 50 Hz supply. Determine: The current in each branch. The total supply current. Draw the phasor diagram Calculate the apparent power, real power and reactive power of the circuit. Calculate the power...
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