1. In the circuit below the switch is set to connect the resistor to the capacitor....
An electromagnetic wave traveling in the -x direction in vacuum
has a frequency 2x1014Hz. The electric field in the wave has
maximum value of 2 V/m. If we define the time and position such
that the electric field has maximum value at position x=0 at
time=0, a possible equation describing the electric field is:
"⃗
a. ?=(2V/m)sin[(4.2x106 /m)x-(1.3x1015Hz)t]?̂
"⃗ ' b. ?=(2V/m)cos[(4.2x106 /m)x+(1.3x1015Hz)t]?
"⃗ ' c. ?=(1V/m)sin[(1.3x1015 /m)x-(4.2x106Hz)t]?
"⃗
d. ?=(4V/m)cos[(4.2x106 /m)x+(1.3x1015Hz)t]?̂
2. An electromagnetic wave traveling in the -x...
A circuit is constructed with a resistor, two inductors, one capacitor, one battery and a switch as shown. The value of the resistance is R1 4252. The values for the inductances are: L 1 398 mH and L2-108 mH . The capactance C-186 μF and the battery voltage is V-12V. The positive terminal of the battery is indicated with a sign 1) The switch has been closed for a long time when at time 0, the switch is opened. What...
A circuit is constructed with a resistor, two inductors, one capacitor, one battery and a switch as shown. The value of the resistance is R1 = 425 Ω. The values for the inductances are: L1-398 mH and L2-108 mH. The capacitance is C-186 μF and the battery voltage is V- 12V. The positive terminal of the battery is indicated with a +sign nes ir a 000 レ L2 ) The switch has been closed for a long time when at...
21. Which of the following is a possible equation for the electric field of an electromagnetic wave with average intensity 0.00132W/m² traveling in the +z direction with a magnetic field along the x axis? a. E = (2 V/m) sin [(9.8 x 106/mz+ (2.9 x1015 Hz)t) i b. Ē = (1 V/m) sin [(9.8 x 106 /m) - (2.9 x1015 Hz)t]î E = (1 V/m) sin [(9.8 x 106 /m) - (2.9 x1015 Hz)t] il E = (2 V/m) sin...
You connect a battery, resistor, and capacitor as in (Figure 1)
, where
E = 56.0 V , C = 5.00 μF , and R =
130 Ω . The switch S is closed at t = 0.
(A) When the voltage across the capacitor is 8.00 V, what is the
magnitude of the current in the circuit?
(B) At what time t after the switch is closed is the
voltage across the capacitor 8.00 V?
(C) When the voltage...
Problem 4:Consider a circuit with two switches, one ideal battery, one resistor, one capacitor and one inductor. The circuit is drawn below with both switches open: R-14.00 C ; 6.20 uF, and L 54.0 mH, and the ideal battery has emf ξ . 34.0 V. At t-o, both switches are open and the charge on the capacitor is qlt-0) (a) The switch is put at position "a". Compute the charge, oft-S us), on the capacitor after 5.00 microseconds (5x10 sec)...
Which of the following is a possible equation for the electric
field of an electromagnetic wave with average intensity 0.00132W/m2
traveling in the +z direction with a magnetic field along the x
axis?
a. ?=(2 V/m) sin [(9.8x106 /m)z + (2.9x10^15 Hz)t]
?̂
b. ?=(1 V/m) sin [(9.8x106 /m)z - (2.9x10^15 Hz)t]
?̂
c. ?=(1 V/m) sin [(9.8x106 /m)z - (2.9x10^15 Hz)t]
?̂
d. ?=(2 V/m) sin [(9.8x106 /m)z + (2.9x10^15 Hz)t]
?̂
Which of the following is a possible...
1. An RL circuit comprised of one resistor and one inductor is shown in the figure below. The resistor and inductor are connected to a source of emf with negligible internal resistance by a switch a. The emf for this circuit is 12.0 V. The resistance of the resistor is 0.35 , and the inductance of the inductor is 53 mH. For the circuit below: a. Sketch the graph of current through the inductor as a function of time after...
R1 L1 1mH 10Ω V1 C1 Figure 4 LC circuit with a resistor, an inductor, a capacitor and long time before -0, the switch is i inductor, a switch is moved to pole position positio a two-pole switch. For a n pole position B (Cl discon position A at-O. The following questions apply to this cir C1 is disconnected and uncharged). The position A, what is the c urrent in resistor, RI.(6) (a) Before the switch is moved to pole...
A circuit is constructed with a resistor, two inductors, one capacitor, one battery and a switch as shown. The value of the resistance is R1 = 290 ?. The values for the inductances are: L1 = 395 mH and L2 = 172 mH. The capacitance is C = 91 ?F and the battery voltage is V = 12 V. The positive terminal of the battery is indicated with a + sign.1)The switch has been closed for a long time when...