A resistor, capacitor, and inductor are in a connected series with an AC power source that has rms voltage of 30V. Given that R=2000ohms, C= 40µF, and L= 3H, what is the current passing through the current if the power source is being operated at half the resonant frequency.

A circuit has a resistor with resistance equal to 8 Ω, a capacitor with capacitance 746 μF, and an inductor with inductance 8e-4 H. What is the total impedance of the circuit if the angular frequency of AC is 60 Hz?   23.69 Ω 11.49 Ω 9.65 Ω 13.66 Ω

Suppose an AC source with an rms voltage of 480 V and a frequency of 57.5 Hz is connected to a 22.5 μF capacitor. What rms current, in amps, flows through this circuit?   What would the rms current be, in amps, if we changed the source frequency to 0.125 kHz?

A transformer has a primary coil with 225 turns of wire and a secondary coil with 900 turns. An AC power supply connected across the primary coil has a voltage given by the function Δv = (120 V)sin(ωt).  What rms voltage (in V) is measured across the secondary coil?

A resistor and capacitor are connected in series across an ac generator. The emf of the generator is given by v(t)=V0cosωt, where V0=120V, ω=120πrad/s, R=400Ω, and C=4.0μF. (a) What is the impedance of the circuit? (b) What is the amplitude of the current through the resistor? (c) Write an expression for the current through the resistor. (d) Write expressions representing the voltages across the resistor and across the capacitor.

A transformer has a primary coil with 125 turns of wire and a secondary coil with 625 turns. An AC power supply connected across the primary coil has a voltage given by the function  Δv = (160 V)sin(?t).  What rms voltage (in V) is measured across the secondary coil?

An LRC circuit consists of a 16.0-μF capacitor, a resistor, and an inductor connected in series across an ac power source of variable frequency that has a voltage amplitude of 21.0 V. You observe that when the power source frequency is adjusted to 49.5 Hz, the rms current through the circuit has its maximum value of 62.0 mA. What will be the rms current irms if you change the frequency of the power source to 60.0 Hz? irms A

A transformer has a primary coil with 225 turns of wire and a secondary coil with 1,800 turns. An AC power supply connected across the primary coil has a voltage given by the function  Δv = (180 V)sin(ωt).  What rms voltage (in V) is measured across the secondary coil?

A capacitor is connected across the terminals of an ac generator that has a frequency of 360 Hz and supplies a voltage of 34 V. When a second capacitor is connected in parallel with the first one, the current from the generator increases by 0.30 A. Find the capacitance of the second capacitor. Note: The ac current and voltage are rms values and power is an average value unless indicated otherwise.

When an inductor with L = 10 mH is attached to an AC voltage source, the inductive reactance is 7900 Ω. What is the capacitive reactance of a capacitor with C = 430 pF when attached to the same voltage source?