Questions from College Physics


Q: A 1.5 – kΩ resistor is connected to an AC

A 1.5 – kΩ resistor is connected to an AC voltage source with an rms voltage of 120 V. (a) What is the maximum voltage across the resistor? (b) What is the maximum current through the resistor? (c) Wh...

See Answer

Q: An AC source operating at 60. Hz with a maximum voltage

An AC source operating at 60. Hz with a maximum voltage of 170 V is connected in series with a resistor (R = 1.2 kΩ) and a capacitor (C = 2.5 μF). (a) What is the maximum value of the current in the c...

See Answer

Q: A multimeter in an RL circuit records an rms current of 0

A multimeter in an RL circuit records an rms current of 0.500 A and a 60.0 - Hz rms generator voltage of 104 V. A wattmeter shows that the average power delivered to the resistor is 10.0 W. Determine...

See Answer

Q: An AC voltage of the form Δv = (90.0

An AC voltage of the form Δv = (90.0 V) sin (350t) is applied to a series RLC circuit. If R = 50.0 Ω, C = 25.0 μF, and L = 0.200 H, find the (a) Impedance of the circuit, (b) rms current in the circui...

See Answer

Q: An RLC circuit has resistance R = 225 Ω and inductive reactance

An RLC circuit has resistance R = 225 Ω and inductive reactance XL = 175 Ω. (a) Calculate the circuit’s capacitive reactance XC if its power factor is cos ( = 0.707. Repeat the calculation for (b) Cos...

See Answer

Q: A series RLC circuit has a resistance of 22.0 Ω

A series RLC circuit has a resistance of 22.0 Ω and an impedance of 80.0 Ω. If the rms voltage applied to the circuit is 160. V, what average power is delivered to the circuit?

See Answer

Q: An inductor and a resistor are connected in series. When connected

An inductor and a resistor are connected in series. When connected to a 60. - Hz, 90. - V (rms) source, the voltage drop across the resistor is found to be 50. V (rms) and the power delivered to the c...

See Answer

Q: Consider a series RLC circuit with R = 25 Ω, L

Consider a series RLC circuit with R = 25 Ω, L = 6.0 mH, and C = 25 μF. The circuit is connected to a 10. - V (rms), 600. - Hz AC source. (a) Is the sum of the voltage drops across R, L, and C equal t...

See Answer

Q: An RLC circuit is used in a radio to tune into an

An RLC circuit is used in a radio to tune into an FM station broadcasting at f = 99.7 MHz. The resistance in the circuit is R = 12.0 Ω, and the inductance is L = 1.40 μH. What capacitance should be us...

See Answer

Q: The resonant frequency of a certain series RLC circuit is 2.

The resonant frequency of a certain series RLC circuit is 2.84 kHz, and the value of its capacitance is 6.50 μF. What is the value of the resonant frequency when the capacitance of the circuit is 9.80...

See Answer