A 220 V, 60 Hz circuit draws a current of 11 A with a power factor of 0.8 lagging. Find the resistance of the circuit.
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- Incandescent lighting of 500 W is connected in parallel with an inductive load. A clamp-on ammeter reveals a total circuit current of 7 A. What is the inductance of the load connected in parallel with the incandescent lights? Assume a voltage of 120 V and a frequency of 60 Hz.9. What is the maximum power if the impedance draws a current of i= 10cos(wt-30o ) from a voltage equation of v = 220sinwt?If a circuit has a resistance of 3002 and a series inductance of 5002, what is the relationship between the applied circuit voltage and the circuit current? The applied voltage lags the circuit current. The phase shift between the circuit voltage and current changes with time. The applied voltage is in phase with the circuit current. The applied voltage leads the circuit cur Previous Page Next Page Page 2 of 10
- A series circuit consists of a 66.4 microfarad capacitor and variable resistor. For what two values of resistance will the power taken by the circuit be 172. 8 W, if the impressed 60 Hz emf is 120 V?A 25-ohm resistor connected in series with a coil of 50-ohm resistance and 150-mH inductance. What is the power factor of the circuit? The standard frequency is 60 Hz. Show complete solution.Use 3 decimal places and box the final answer. A 4-ohm resistor is in series with a 7.96-mH inductor connected across a 110-V 60-Hz source. Determine : a) the impedance b) the input current c) the voltage across the resistor and the inductor d) Draw the phasor diagram showing the current and the voltages. e) The power factor and the power input to the circuit.
- An impedance draws a current I = 10cos(wt-30) A from a voltage V = 220sin(wt) V from a voltage. What is the power?An inductor and resistor are connected in parallel to a 120-V, 60-Hz line. The resistor has a resistance of 50 ohms, and the inductor has an inductance of 0.2 H. How many degrees out of phase are the current and voltage?If an electrical circuit draws 100W + J100VAR from a sinusoidal source, then what would the circuit be? Explain why. a) a pure resistor circuit b) a series or parallel R-L circuit c) a series or parallel R-C circuit d) a series L-C circuit
- Electrical Engineering A coil and resistor each have a 160-V voltage across them when connected in series to 240v. 60 Hz source. If they draw a 1 ampere current from the source what is the resistance of the coil? THE ANSWER CHOICES ARE 25, 10, 15 AND 20 AMPERESDetermine the DC currents (la. lc and I) and dc junction voltages (Var Ver and Vca) la-Blank 1 mA, le-Blank 2 mA, I-Blank 3 mA, Var Blank 4 V, Vcr Blank 5 V and VcB - Blank 6 V Use 2 decimal places. Use the following values. VBB= 3V RB= 5kOhms Rc=232 ohms Vcc =18 V BDC=65In an AC circuit, the load has a supply voltage of 240 cos(800πt + 60) volts and a current of 120cos(800πt + 20) mA. What is the simplest two element parallel circuit can this load have that is equal to the total impedance