A sinusoidal emf is represented by the equation e =340 sin 314t is impressed across a 25μF capacitor. How much energy is stored in electric field?

Part A At what frequency will a 35.0-mH inductor have a reactance of 650 ? Express your answer to three significant figures and include the appropriate units. f= ol Value Submit Request Answer Units ?

&key=140171644883017936312024#/ What is VR if the emf frequency in (Figure 1) is 4.0 kHz? Express your answer with the appropriate units. ▸ View Available Hint(s) ΜΑ VR = Value Units Submit Part B ? What is Vc if the emf frequency in (Figure 1) is 4.0 kHz? Express your answer with the appropriate units. ▸ View Available Hint(s) ? Vc = Value Units Submit 1 of 1 Part C ww 200 Ω What is VR if the emf frequency in (Figure 1) is 25 kHz? Express your answer with the appropriate units. ▸ View Available Hint(s) a F5 5 96 ΜΑ বর DII 44 F7 F8 F9 F10 & ( ) 6 7 8 9 0 F11 ☆ Finish update T Y U I 0 P [ C H F12 == delete

A sinusoidally varying voltage is represented by  V(t) = (62.5 V)sin(116 x 3.14t) What are its frequency and peak voltage?

Table B2b shows the line constants for three different transmission lines. One of these lines is dispersionless, but not lossless. Identify which line this is, and calculate the relative permittivity of the dielectric within it. (You may assume the dielectric is also non-magnetic). Line constants Line A Line B Line C R 50 Ω/km 0 Q/km 3 kQ/km L 300 μH/km 750 μH/km 250 μH/km G 10 μS/km 0 S/km 600 mS/km 100 nF/km 150 nF/km 50 nF/km

Calculate the reactance of a 1.0 µF capacitor at: a) 10 Hz Xc = b) 100 Hz X = - c) 1, 000 Hz Xc =

2. A 0.35 µH inductor is used in an FM radio circuit that oscillates at 100 MHz. The current through the inductor reaches a peak value of 2.0 mA at t = 4.0 ns. What is the peak inductor voltage, and when, closest to t = 4.0 ns, does it occur?

The impedance from a to b in one of the cir- cuits below is plotted as a function of angular velocity w. L -W Select the circuit which corresponds to the plot. a. www R 1. b 2. None of these a. www R 3. a. be a b. 4. 5. 6. 609 a b www. R elle C www L R R elle elle -0000 elle L L C } C

A 25-μF capacitor is connected to an emf given by v(t) = (160 V) sin (120πt) . (a) What is the reactance of the capacitor? (b)Write an expression for the current output of the source.

A sinusoidal voltage of the form V (t) = V, cos (ot) is applied across a parallel plate capacitor placed in vacuum. Ignoring the edge effects, the induced emf within the region between the capacitor plates can be expressed as a power series in o. The lowest non- vanishing exponent in @ is