A 24.0-k resistor connected to an AC voltage source dissipates an average power of 0.60 W. a) Calculate the rms current in the resistor. b) Calculate the rms voltage of the AC source.

A 19-Ω Microphone and a 16-Ω microphone are connected in parallel across the same receiver, which supplies an ac voltage with rms value 3.00 V. Find the total rms current supplied by the receiver in A

An electrical engineer is working with a parallel AC circuit. The circuit draws 10 ohms on a resistive branch, and the angle of the total impedance is 15°. What is the total impedance? O 7.6 ohms O 9.66 ohms O 10.35 ohms O 13.16 ohms

a) The peak voltage of an ac supply is 300V. What is the rms voltage?

A) 0.82 MU B) 0.3 fe 66. A 35-µF capacitor is connected to an ac source of emf with a frequency of 250 Hz and a maximum emf of 20 V. If the voltage across the capacitor is zero at time = 0, what is the voltage at time = 3.0 ms? Assume the phase constant is zero. A)-20 V B)-10 V C) 0 V D) 10 V E) 20 V 75. An electron in a hydrogen atom moves in a circle of radius 1.1 x 10-10 m at a speed of about 1.6 x 106 m/s. What is the magnetic dipole moment of this electron due to its orbital motion? A) 9.3 x 10-24 J/T B) 1.4 x 10-23 J/T C) 1.9 x 10-23 J/T D) 2.8 x 10-23 J/T

The rms current in a 27.0-02 resistor connected to an AC source is 2.70 A. (a) What is the rms voltage across this resistor? v (b) What is the peak voltage of the AC source? V (c) What is the average power dissipated by the resistor? W (d) What is the maximum current across this resistor? A

A 2.6-k resistor and a 4.0-μF capacitor are connected in series to an ac source. Part A Calculate the impedance of the circuit if the source frequency is 55 Hz. Express your answer to two significant figures and include the appropriate units. Z = Submit Part B Z = 0 Submit Value Request Answer Calculate the impedance of the circuit if the source frequency is 10000 Hz. Express your answer to two significant figures and include the appropriate units. Value Units Request Answer 2 Units ?

A capacitor is connected across an AC source. At one instant in time, the current through the capacitor is 23 mA when the voltage across the capacitor is changing at a rate of 7.2 x 104 V/s . What is the value of the capacitance?

The rms current in a 33.0-0 resistor connected to an AC source is 4.20 A. (a) What is the rms voltage across this resistor? V (b) What is the peak voltage of the AC source? V (c) What is the average power dissipated by the resistor? W (d) What is the maximum current across this resistor? A

The voltage and current through a capacitor connected to an ac generator are shown (super-imposed) in the graph below. Note the time for 1.75 cycles is given as 0.14 s. 99 V 0.14 s 2.8 A MAX 0 What is the rms current through the capacitor? 2.56 A 1.98 A 1.74 A 1.25 A 3.53 A