just need to knownwhat letter it is 4. Referring to the previous problem, which of the...
just need to knownwhat letter it is resistor, a 12.0-V battery and an open suite 0.0 ml inductor is connected in series to a 400 Find the current in the circuit 2,00 ms after the switch is closed. a) 0.239 A b) 0.3 A e) 4.82x10-A d) 12.0 A e) 6.01x104A
just need to knownwhat letter it is 3. A ray with a wavelength of 515 nm is travelling in vacuum. If the amplitude of its electric field is doubled, the speed of the wave a) decreases by a factor of 2 b) remains the same c) increases by a factor of 2 d) increases by a factor of 4 e) decreases by a factor of 2
just need to knownwhat letter it is e) the inductive reactance will necessarily increase 9. Certain unknown electronic components are connected in series inside a black box. An AC power supply with variable frequency is connected to the components. The graph of Z vs ffor the unknown circuit is shown in the figure. What are the components in the black box? a) A capacitor and a resistor b) Only a capacitor and an inductor c) Only a capacitor d) Only...
just need to knownwhat letter it is & Consider an RCL series circuit connected to an AC power supply. If the driving frequency is decreased, a) the resistance will necessarily increase b) the impedance will necessarily decrease d c) the impedance will necessarily increase d) the capacitive reactance will necessarily increase e) the inductive reactance will necessarily increase
[6] 2. In the previous problem, how long after switch is closed until the magnetic field is stable? Answer: (a) 1.38 ms. (6) 1.85 ms (c) 2.33 ms. (d) 2.79 ms. (e) 341 ms. (1) - [8] 3. An AC generator is connected to a circuit. The generator's emfis E(0) - 152 V sin(at). If the maximum current that results is 150 mA circuit, -5.01 x 10rad/s and the phase angle is -85.6 degrees, complete the following (0) = sin...
Use the figure at the right for problems 1 and 2. [6] 1. A 9.61 m2 resistor, 6.55 uH inductor and switch are connected in series across an ideal. EMF source E 9.50 V. How much energy is stored in the magnetic field of the inductor when switch S is closed and the magnetic field becomes stable? Answer: (a) 9.05 mJ. (b) 12.5 mJ (c) 19.6 mJ. R L ( (d) 24.3 mJ. (e) 29.4 mJ. [6] 2. In the...
Use the figure at the right for problems 1 and 2. [6] 1. A 9.61 m2 resistor, 6.55 Hinductor and switch are connected in series across an ideal EMF source -9.50 V. How much energy is stored in the magnetic field of the inductor when switch S is closed and the magnetic field becomes stable? Answer: (a) 9.05 m. (b) 12.5 mJ (c) 19.6 m). (d) 24.3 m). (e) 29.4 md. (1) [6] 2. In the previous problem, how long...
Use the figure at the right for problems 1 and 2. 2nswers. The [6] 1. A 5.61 m2 resistor, 1.55 pH inductor and switch are connected in series across an ideal EMF source E 9.50 V. How much energy is stored in the magnetic field of the inductor when switch S is closed and the magnetic field becomes stable? Answer: (a) 1.88 J. (b) 2.22 J (c) 2.77 J. (d) 3.20 J. (e) 3.79 J (0 [6] 2. In the...
Need a help from 7 through 12 7. A square coil is in a uniform magnetic field that is perpendicular to the plane of the coil and directed into the screen, as shown. If this magnetic field begins to increase in magnitude what will the induced current in the coil be? a. directed into the screen b. zero C. clockwise d. counter-clockwise e. directed out of the screen 8. A 0.20 H inductor is located in a branch of some...
of an electromagnetic wave propagating in a vacuum is 65 x 10 Hz. See the table for problem 1 1) To what part of the electromagnetic spectrum does this wave a) blue light 2) The electromag a)perpendicular to b) parallel to the the magnetic field b) green light netic field of the electromagnetic wave is d) violet light c) antiparallel to the d) paralel to the wave velocity magnetic field magnetic field The speed of light in a medium is...