A self-inductance of 10 mH and its resistance 5 connect to AC source of voltage 200 V, and frequency of 60 Hz, calculate the current in the circuit and voltage on both ends of resistance and reactance.
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- Three capacitors having capacitance values of 20F,40F, and 50F are connected in parallel to a 60 - Hz power line. An ammeter indicates a circuit current of 8.6 amperes. How much current is flowing through the 40F capacitor?A capacitor uses air as a dielectric and has a capacitance of 3 F. A dielectric material is inserted between the plates without changing the spacing, and the capacitance becomes 15 F. What is the dielectric constant of this material?A 5-ohm resistor is connected in series with a 25 micro-farad capacitor. A source voltage of158 volts, 50 Hz supplies the combination. Determine the following:a. Circulating currentb. Voltage across the resistorc. Voltage across the capacitord. Real power supplied by the source
- (a) Considering pure inductance in an ac circuit element, show that the alternating current lags the voltage by ᴨ/2. (b) Derive the Norton equivalent network with respect to terminals PQ for the network shown in Figure below and hence determine the magnitude of the current flowing in a 2Ὡ resistor connected across PQAssuming that a nonzero ac source is applied, state whether the power and reactive power are positive, negative, or zero for a. a pure resistance; b. a pure inductance; c. a pure capacitanceExercise 2: Resistance-Capacitance Series Circuits on an AC Supply Calculate (a) peak to peak voltage (b) time period (c) Total impedance (d) Total voltage and (e) Voltage across the resistor for the circuit given.
- 2. At what frequency will a 2-μH inductor have a reactance of 300 ohm? note: write by computerWhen this resultant voltage is applied to a circuit consisting of a 10-Ω resistor and a capacitance of 17.3 Ω reactance connected in series, find an expression for the instantaneous value of the current flowing, expressed in the same formIn a purely inductive AC circuit as shown in the figure, ΔVmax = 100 V. a) The maximum current is 9.00 A at 40.0 Hz. Calculate the inductance L. b) At what angular frequency ? is the maximum current 1.50 A?
- An inductive coil and a non-inductive resistance R ohms are connected in series across an a.c. supply. Deriveexpressions for the power taken by the coil and its power factor in terms of the voltage across the coil, theresistance and the supply respectively. If R = 12 Ω and the three voltages are in order, 110 V, 180 V and 240 V,calculate the power and the power factor of the coil.Just Draw and plot Mutual Inductance vs. Deflection graph based on the table aboveA 120 V, 60 Hz power source is connected across an 800 ohm resistance in series with an unknown capacitor. The voltage drop across the resistor is 102 V. Find the, a.) current of the circuit b.) impedance of the circuit c.) Capacitive reactance d.) capacitance value.