2E04 H2

An inductance coil consumes 500W of power at 10A and 110V and 60HZ. Determine the resistance and the inductance of the coil

Using the series circuit in Figure 3 consisting of a voltage source V, the resistor R and the fully uncharged capacitor C, how to find the value of the capacitance C considering as known data the time constant of the circuit T and the value of the resistor R? V ww R

A load is composed of a 4 ohm resistance connected in series with a 3 ohm inductive resistance. The load is connected across a 120 source. Compute: (a)  current  (b) voltage across the resistance (c) voltage across the inductor Explain each step.

An inductor and a resistor are in series with a sinewave voltage source. The frequency is set so that the inductive reactance is equal to the resistance. If the frequency is increased, then  options: Voltage across the inductor= Source Voltage Voltage across the inductor> Voltage across the resistor Voltage across the inductor= Voltage across the resistor Voltage across the resistor > Voltage across the inductor

A resistor of 20 Ohms and a capacitance of unknown value when connected in in parallel across a 100V, 50Hz supply, take a current of 6A. The combination is now connected across a 100v supply of unknown frequency and the current falls to 5.5A. What is the frequency?

The capacitance specified in the circuit below is limited to 1-10nF.find the capacitance and RL value that will provide the maximum power transfer to the load according toCalculate the maximum power to be transferred.

Draw the phasor diagram, also write the voltage and current relation statements for the following circuits (i) pure resistor (ii) pure inductor (iii) Resistor and inductor connected in series.

An alternating voltage is applied to a series circuit consisting of a resistor and iron-cored inductor and a capacitor. The current in the circuit is 0.5 A and the voltages measured are 30 V across the resistor, 48 V across the inductor, 60 V across the resistor and inductor and 90 V across the capacitor. Find (a) the combined copper and iron losses in the inductor (b) the applied voltage.

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The picture shows three LC circuits, two of them with capacitors of capacitance C and the three with coils of inductance L, the three circuits are coupled by means of two capacitors Cc capacitors.L inductance coils, the three circuits are coupled by means of two capacitors of capacitance Cc. The currentscirculating through each mesh are those indicated in the figure: I1, I2 and I3. Using Kirchhoff's law for voltagesand taking into account the definition of current I = -dQ/dt, find the system of coupled equations for the systemand then find the angular normal frequencies of the system.

A resistor of 20ohms and a capacitance of unknown value when connected. In in parallel across a 100V, 50Hz supply take a current of 6A. The combination is now connected across a 100V supply of unknown frequency and the current  falls to 5.5A . What is the frequency?

A 22-k  resistor and a 0.02-F capacitor are connected in series to a 5-V source. How long will it take the capacitor to charge to 3.4 V Select one: a. 0.501 ms b. 0.66 ms c. 0.44 ms d. 0.70 ms

A capacitor in series with a 20-KO resistance across a 10 V ac source. What size C is needed for equal voltage across R and Xc at frequency of 100 Hz and 100 KHz.

An alternating voltage is applied to a series circuit consisting of a resistor and iron-cored inductor anda capacitor. The current in the circuit is 0.5 A and the voltages measured are 30 V across the resistor,48 V across the inductor, 60 V across the resistor and inductor and 90 V across the capacitor.Find (a) the combined copper and iron losses in the inductor (b) the applied voltage   Answer: [(a) 3.3 W (b) 56 V]

An alternating voltage is applied to a series circuit consisting of a resistor and iron-cored inductor anda capacitor. The current in the circuit is 0.5 A and the voltages measured are 30 V across the resistor,48 V across the inductor, 60 V across the resistor and inductor and 90 V across the capacitor.Find (a) the combined copper and iron losses in the inductor (b) the applied voltage.Answer: [(a) 3.3 W (b) 56 V]    Note: Please provide a clear solution!

Figure 2 shows three "LC" circuits, two of them with capacitors of capacitance "C" and the three with inductance coils "L", the three circuits are coupled by means of two capacitors "Cc" capacitors. inductance "L", the three circuits are coupled by means of two capacitors of capacitance "Cc". The currents circulating through each mesh are those indicated in the figure: "I1", "I2" and "I3". Using Kirchhoff's law for voltages and taking into account the definition of current I = -dQ/dt, find the system of coupled equations of the system and then find the angular normal frequencies of the system.

Answer it clearly Show the complete solution An R-L-C series circuit has a current which lags the applied voltage by 45 degrees. The voltage across the inductance has maximum value equal o twice the maximum value of voltage across the capacitor. Voltage across the inductance is 300 sin (1000t) and R = 20 ohms Find the value of inductance, total impedance and capacitance.

A 500 nF capacitor is connected in series with a 100 kohm resistor and the circuit is connected to a 50V, d.c. supply. Calculate the initial value of current flowing, the value of current 150 ms after connection, the value of capacitor voltage 80 ms after connection, and the time after connection when the resistor voltage is 35 V.

A utility company plans to connect a total of 20uF of capacitance to a 7200 volt line. To make this connection four capacitors will be connected in series. What is the capacitance of each capacitor?

What is the net, coupling capacitance cm and lateral capacitance? Explain this circuit in a really basic way

6. An inductive circuit of 50-2 resistance and 0.08-H inductance is connected in series with a capacitor across a 200-V, 50-Hz supply. The current taken is 3.8 A leading. Find the value of the capacitor.

L VL VR + E An L-R series circuit consists of an inductor with inductance, L, connected in series with a resistor with resistance, R. The resistance, R, is a circuit parameter that opposes the current, I, and causes a drop in potential given by Ohm's Law while inductance, L, is a circuit parameter that opposes a change in current. Both the resistor and inductor cause the total drop in electric potential and is equivalent to the total electromotive force, E, which is produced by a voltage source such as batteries. dl I + R E = L dt As soon as the switch is opened, the current, I, passing through the circuit varies through time, t. In the given differential equation above, the current I and the time t are the dependent and independent variables, respectively. The electromotive force E, the resistance R, and the inductance L are constants. Using A as the constant of integration, find the general solution in explicit form I = f(t). Knowing that there is no current passing through the…

A resistor and a capacitor are connected in series across a supply of 250 V. When the supply frequency is 50 Hz the current in the circuit is 5 A. When the supply frequency is 60 Hz, the current is 5.8 A. Find the value of the resistance.

1. A resistor and capacitor are connected in series to an a.c. supply of 50 V and 50 Hz. The current is 2 A and the power dissipated in the circuit is 80 W. Find the (a) resistance of the resistor and (b) the capacitance of the capacitor.

A capacitor and resistor are connected in series to an A.C supply of 50V and 50Hz. The current is 2A and the power dissipated in the circuit is 80W. Calculate the resistance of the resistor and capacitance of the capacitor