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6. A 10-turn square coil of area 0.036 m2 and a 20-urn circular coil are both...
4. A 500-turn circular coil with an area of 0.050 0 m2 is mounted on a rotating frame, which turns at a rate of 20.0 rad/s in the presence of a 0.050-T uniform magnetic field that is perpendicular to the axis of rotation. What is the instantaneous emf in the coil at the moment that the normal to its plane is at a 90.0 angle to the field? a. zero b. 12.5 V c. 21.6 V d. 25.0 V
20) A coil having 20 turns and an area of 0.04 m2 rotates at 10 rev 5-1 in a magnetic field of 0.02 T. The resistance of the coil is 2 and its self-inductance is 1 mH. The induced emf is: a) 0.38n sin(10mt) b) 0.28n sin(20nt) c) 0.38n sin(20ft) d) 0.28+ sin(10xt) e) none
show all work Problem # 6 (20 points): An ac source of 110-V (rms) and angular frequency w=300 rad/s is connected to an LRC series circuit, where R=40 , L =200 mH, and C =600 pF. Find: (a) the inductive reactance, the capacitive reactance, and the impedance of the circuit (b) the peak and rms current, (c) the peak voltage and the rms voltage across each element, (d) the instantaneous voltage across each element. Problem #2 (20 points): In a...
te=300 H 7 #2 Zoov 32.- 12 yol A Series Circuit Consisting of a 43. A Series RLC Circuit R=4252, 1#4 100 32 novinke five resisfor, a coil In a purely inductive AC L=125H and C= 3.0. I Circuit, L = 250mH and the rms with a 0.10H and a 20 uf Capacitor Constad to an Ac Source with Voltage of 1500. across a llov, CH2 power Source (f = 60.042 and Vmax = 150V Calculate the inductive Reactance @...
4. If a metallic wire of cross-sectional area 3.0x 10 m carries a current of 6 A and has a mobile charge density of 4.24 x ca * 10M carriers/m2 what is the average drift velocity of the mobile charge carriers? (charge value 1.6x 10 " coul) a. 3.4 x10 m/s b. 1.7 x 10' m/s c. 1.5x 10 m/s d. 2.9 x 10 m/s S. If a certain capacitor is charged to 10 V and then, at t -0,...
All of them 11) 11) The coil of a generator is rotated twice as fast keeping all other factors constant. What happens to the value of the maximum induced emf? A) It is increased by a factor of 4. B) It stays the same. C) It is reduced by a factor of 2 D) It is increased by a factor of 2 E) It is reduced by a factor of 4. 12) The primary codl of a transformer has 100...
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...
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...
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...
E=ΦreceivedA M=ΦemittedA where A is the area of the surface in square meters (m2). Both irradiance and emittance are measured over an entire hemisphere, providing the total energy arriving at (irradiance) or leaving (emittance) a surface over all possible angles. Question 15. A. How much radiant energy does a 100 W bulb emit in 10 seconds? Show your work. B. How many photons does it emit in in that same time frame? Show your work. C. What is the emittance...