Two 52-turn coils are magnetically coupled so that a 7.12-A current in one coil produces a magnetic flux of 0.24 Wb through each turn of the other. What is their mutual inductance?
Q: Suppose that a rectangular toroid has 1500 windings and a self-inductance of 0.04 H. If the height…
A: Given : Number of turns, N= 1500 Self Inductance, L =0.04 H Height , h = 0.08 m Energy stored , U=…
Q: Two coils are placed near each other and they have a mutual inductance of 879.1 mH. If the current…
A: mutual inductance(M)=879.1 mH=879.1×10-3H current i(t)=0.5e-1,625.3t to find: induced emf at…
Q: A current of 4.25 A is going through a 7.5 mH inductor is switched off. It takes 8.09 ms for the…
A: Given: The current in the inductor is 4.25 A. The inductance of the inductor is 7.5 mH. The time…
Q: Suppose that a rectangular toroid has 2,000 windings and a self-inductance of 0.060 H. If the height…
A: The energy stored in an inductor is, U=12LI2
Q: A simple AC generator consists of 20 coils of wire with an area of 1000cm2 and placed in a region…
A:
Q: If the current running through an inductor is increased by a factor of 3, by how much does the…
A: Given:- The current running through an inductor is increased by a factor of 3 Find:- how much…
Q: A solenoid with an inductance of 14 mH is charged up from an initial current of 3.0 A to a current…
A: Given: Inductance of the solenoid : L=14 mH =14 ×10-3 H, Initial current = I1 = 3 A Final current…
Q: A solenoid with 500 turns and a length of 0.2 meters is carrying a current of 2.5 Amperes.…
A: Self-inductance (L) is a property of a coil or solenoid that quantifies its ability to induce an…
Q: A coil with a self-inductance of 2.0 H carries a current that I(1) = (2.0 A)sin 120xt. Find an…
A: Given, self inductance of coil L=2HCurrent I(t)=2sin120πt
Q: 3. A 12.0 V battery is connected in series with a 10.0 O resistor, an inductor and a switch. At time…
A:
Q: A coil is connected in series with a 14.4 kQ resistor. An ideal 64.8 V battery is applied across the…
A:
Q: The current in a coil changes from 3-70 A to -goA in the same direction in 0.510s. It the Werage emf…
A:
Q: Two coils are placed near each other and they have a mutual inductance of 887.4 mH. If the current…
A:
Q: dI A coil with a self-inductance of 4.5 H carries a current that decreases at a uniform rate =…
A:
Q: A solenoid with diameter 0.300 [cm] and length 12.0 [cm] is wound uniformly, and a second coil is…
A: Given:diameter d of the solenoid = 0.300 cm [centi = 10-2]Length l of the solenoid = 12.0…
Q: Determine the frequency of oscillation. Determine the peak value of the current. Determine the…
A:
Q: What is the magnetic field due to an inductor of length 10 cm that has 300 turns if 0.25 A of…
A: B = magnetic field due a inductor. B= uo n i Where n = number of turns i = current L= self…
Step by step
Solved in 3 steps with 2 images
- Which of the following statements are true? Choose all that apply. A changing magnetic field will always induce a voltage. As current through an inductor decreases, the inductance remains constant. For an LR circuit, as R increases, & decreases. Transformers can simultaneously decrease voltage & decrease current. Generators transform electrical energy (electricity) into kinetic energy. The mks units for inductance are Wb.An emf of 28.5 mV is induced in a 501 turn coil when the current is changing at a rate of 10.5 A/s. What is the magnetic flux through each turn of the coil at an instant when the current is 4.00 A? (Enter the magnitude.)In the figure below the switch S is closed, Supppose the emf of the ideal battery is 12.0 V, the inductance of the ideal inductor L = 30.0 mH, and the resistance R2 = 4.34 ohms and the resistance R2 = 2.17 ohms. When i = 0.17 A 1. how much energy is delivered by the battery? 2. how much of this energy is stored in the magnetic field of the inductor? 3. how much of this energy is dissipated by both resistors? 4. what is the rate dibat/dt at t = 0, t = 0.82 s and t after a long time?
- An inductor consists of 100 turns of wire tightly wound about an insulating core. It is attached to a power supply and when the current through it is increased from 0 to 5 A in 3, s an induced emf of 5 V is measured. Find the inductance of this device and the magnetic flux and the energy stored in the magnetic field when the current is held steady at 5 A.After being closed for a long time, the switch S in the circuit shown in the figure below is thrown open at t = 0. In the circuit, E = 24.0 V, R = 4.50 kO, Rg = 6.80 k2, and L = 570 mH. RA S ③ roo b a ww RB (a) What is the emf across the inductor immediately after the switch is opened? V (b) When does the current in the resistor Rg have a magnitude of 1.00 mA? STwo solenoids are part of the spark coil of an automobile. When the current in one solenoid falls from 6.0 A to zero in 2.5 ms, an emf of 30 kV is induced in the other solenoid. What is the mutual inductance Mof the solenoids?