[10] 6. Which of the following is (are) TRUE? Circle it (them). (a) A diamagnetic material...
please answer [10] 6. Which of the following is (are) TRUE? Circle it (them). (a) A current carrying solenoid is a good example of a magnetic dipole. (b) A paramagnetic material is repelled by the poles of a magnet. (c) Magnetic field lines form closed loops. (d) A diamagnetic material is attracted to the poles of a magnet. (c) A transformer is a device that can be used to increase or decrease the amplitude of an alternating voltage.
(e) 56.5 mn (a) 36.5 m2, Tl Cz (a). [10] 6. Which of the following is (are) TRUE? Circle it (them). (a) A diamagnetic material is attracted to the poles of a magnet. (b) A transformer is a device that can be used to increase or decrease the amplitude of an alternating voltage. (c) A paramagnetic material is repelled by the poles of a magnet. (d) A current carrying solenoid is a good example of a magnetic dipole. (e) Magnetic...
[8] 4. The amplitude of an alternating current is Imax = 19.2 x 10-Amperes. What is value of Irmi? Answer: (a) 18.0 A. (b) 25.0 A. () 32.1 A. (d) 47.5 A. (e) 60.5 A. [4) 5. In a series RLC circuit, the resistance is R = 34.5 m . At a certain frequency the circuit is in resonance and the value of the inductive reactance at that time is Xt, is 42.5 m2. At that time the capacitive reactance...
[10] 36. Which of the following is (are) FALSE? Give your answer in the form "x" or "x, y, ...". (a) A transformer is a device that can be used to increase or decrease the amplitude of an alternating voltage. (b) A paramagnetic material is repelled by the poles of a magnet. (c) In vacuum, all electromagnetic waves travel at the same speed. (d) A ferromagnetic materials that attracts other metals is called a permanent magnet (e) A diamagnetic material...
[10] 36. Which of the following is (are) FALSE? Give your answer in the form "X" or "x, y, (a) A transformer is a device that can be used to increase or decrease the amplitude of an alternating voltage. (b) A paramagnetic material is repelled by the poles of a magnet (c) In vacuum, all electromagnetic waves travel at the same speed. (d) A ferromagnetic materials that attracts other metals is called a permanent magnet (e) A diamagnetic material is...
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. [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...
[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. 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...
1 pts Question 1 Select all of the following that are true about magnets and magnetic fields. the source of magnetic fields is net motion of charged particles the South pole of a bar magnet can be separated from the North pole to make two monopoles like magnetic poles IS and S, or N and N) repel and opposites attract IN and S) □ magnetic field lines always form closed loops magnetic fields are scalars a straight wire with current...