A magnetic circuit of silicon has a length L1=5 cm, cross section area A=120 mm² and L2=2cm long with cross section area 80 mm², with relativity permeability 1200. A current 1-60mA flows in N= 50 turn a coil. Calculate 1- Total reluctance 2-The flux density
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- After the switch is turned off., the 12 (t) flow passing through its resistance is the function of the time) Which of the following is it? R. = 2R, R2 = 2R, C1 = C, C, = C Anahtar kapandıktan sonra R, direncinden geçen 1₂(t) akımı zamanın fonksiyonu olara aşağıdakilerden hangisidir? R₁ = 2R, R₂ = 2R, C₁=C. C₂₁₂=C a)e-t/ARC b)-e-t/2RC d) I -t/12RC -t/BRC -41/3RCb) If the capacitor is initially uncharged and the switch is closed at t=0 find the current through the circuit and the charge on the capacitor 2.5 seconds after the switch is closed. 20000 e 250AF 120 voltsFor Transformer winding1 N1-1000 turns, N2= 200 turns and V1=220 Volts, secondary resistance of 22 Ohms. What is the primary current in unit of Ampheres Vac 220 Vrms 50 Hz Rload
- Ɛz= 18 V 非 b 0.5 Q R 2.5 Q R, a 6.0 2 R 1.5 2 h 0.5 N E, = 45 V %3D What is the equation which results when applying the loop rule to loop aedcba, in terms of the variables given in the figure? 0 = If the current through the middle part of the loop is I = 4.75 amps, what is the current through the top loop, I2, in amps? I =Integrated Concepts Hydroelectric generators (see Figure) at Hoover Dam produce a maximum current of 8.00×103A at 250 kV. (a) What is the power output? (b) The water that powers the generators enters and leaves the system at low speed (thus its kinetic energy does not change) but loses 160 m in altitude. How many cubic meters per second are needed, assuming 85.0% efficiency?The circuit in the figure is under the influence of the magnetic field B= âx5 cos(2n10®t – 0.2ny) µT. Find the current i by accepting R = 15 ohms.
- PART (1) Assume capacitor is fully charged when switch is at position 'a' for about 10 minutes. The switch is changed to position 'b' at t= 0. What is the current in the circuit immediately after the switch is closed? Assume after some time, the current in the circuit is 80.0 mA when the switch is at position 'b'. Can you find, what will be that time? 9.0 V 부 Paragraph a itur b 1.0 με PART (II) Assume a magnetic field of 5.2 T present inside the cyclotron. An electron enters the cyclotron with speed of 2.0 x 107 m/s. What is the radius of the electron's orbit just before they exit from the cyclotron. BI U A/ 10 Ω E✓ E GO + vThe rod shown below moves to the right on essentially zero-resistance rails at a speed of v = 2.7 m/s. B 5.0 N 4.0 cm If B = 0.99 T everywhere in the region, what is the current (in mA) through the 5.0 0 resistor? mA Does the current circulate clockwise or counterclockwise? O clockwise counterclockwise 1>ℇ = 100 V, R = 20.0 Ω, and L = 100.0 mH. The switch is closed att = 0. (a) What is the time constant of the circuit shown below? (b) Find the currentat t = 0.050 sec, (c) at what time the current is 40% of its maximum value?