Physics
Improve your experience by picking them
Consider an LRC circuit with inductance L = 0.20 H, resistance R = 4.0 Ω, and capacitance C = 2.0 µF. The three components are connected in series to an AC power supply with an amplitude of 15.0 V and an angular frequency of 250.0 rad/s. Determine the maximum current in this circuit.
A circuit contains an inductor, L = 125.0 mH, a resistor, R = 225.0 Ω, and a capacitor, C = 400.0 µF connected in series to a time-varying power source having a peak value of 12.0 V and an angular frequency of 450.0 rad/s. Determine the impedance (Z) of the LRC circuit.
An electric circuit is built with a 120.0 V, 60.0 Hz power source connected in series to a resistor of resistance 15.0 Ω and an inductor of inductance 0.300 H. Determine the impedance of the LR circuit
Consider an RLC circuit with an RL series combination in parallel to C. What are the current (I) values as the angular frequency (ω) tends to zero (ω→0) and approaches infinity (ω→∞)?
Calculate the inductance of a solenoid connected to a 220 V (rms), 50.0 Hz power supply that draws 8.5 A (rms).
In designing a new audio filter, an engineer uses a 10.0-μF capacitor. What is the reactance of this capacitor at frequencies of 50.0 Hz and 1.50 MHz?
A coil is connected to a 220 V rms AC source operating at 50 Hz. If the coil draws a current of 2.2 A rms, determine the inductance of the coil. Assume the coil acts purely inductively.
A circuit consists of a 3.3-kΩ resistor and a 15.0-mH inductor connected in series with an AC source. Find its impedance if the frequency of the source is (i) 500 Hz and (ii) 50 kHz.
An electric heater is connected to a 240-V, 50-Hz power supply, and it draws an rms current of 2.0 A for 2.0 s. What is the impedance of the heater?