the magnitude of the induced emf & de
Q: What emf is induced in the ring as the field changes?
A:
Q: An armada of spaceships (at rest in frame A), of proper length Lo =1.10ly (ly is a unit of distance…
A: The question contains 5 sub-parts. As per our policy, we will answer the first 3. Kindly resubmit…
Q: At what velocity (in revolutions per minute) will the peak voltage of a generator be 490 V, if its…
A: peak voltage of the generator is = 490 VN = 495 turns diameter d = 8 cm = 0.08 mB = 0.250 T
Q: As shown below, a wire loop (that is immersed in a 0.43 T B-field) grows from a radius of 4.2 cm to…
A:
Q: Don't use chat gpt
A:
Q: ) If a student picks up the loop and moves it to a bench on the other side of the room, what emf…
A:
Q: For Transformer winding1 N131000 turns, N2= 200 turns and V1=220 Volts, secondary resistance of 22…
A: Solution:-Given thatFor Primary windings;N1=1000 turnsN2=200 turnsV1=220 voltsFor Secondary…
Q: 25. find the magnetic energy stored in inductor when it reaches the steady state ( time = infinity).…
A: Given, RL circuit
Q: Tia needs to produce a solenoid that has an inductance of 3.33 ?H She constructs the solenoid by…
A:
Q: What is the rate at which the current though a 0.30-H coil is changing if an emf of 0.12 V isinduced…
A: We know that emf ϵ=-LdIdt dIdt=ϵL
Q: In the circuit shown in the figure below, let L = 2.60 H, R = 6.70 2, and E= 120 V. What is the…
A: In an LR circuit, the self-induced emf (εL) is given by: εL=LdIdt=Ɛ-IR where L is the inductance, I…
Q: In the circuit shown in the figure below, let L = 2.20 H, R = 6.80 Ω, and = 120 V. What is the…
A:
Q: What is the effect on the EMF of increasing the number of turns of wire from N = 1 to N = 400?
A: The answer to the given question is as follows.
Q: The self-inductance of the circuit in the figure below is 9.60 10-8 H. Find the back emf when the…
A: Given data The self-inductance is given as L = 9.60 x 10-8 H. The rate of increase in current is…
Q: For the LR circuit shown below, L = 2 mH & ? = 3 ms. The switch is closed and 5.25 ms later the…
A:
Q: If a 0.6T bar magnet is pushed through a 50 turn coli with an area of 0.003m2 in 1.9sec. The induced…
A: The expression for the induced voltage(e) can be given as, e = Nϕt, where N is the number of turns…
Q: generator rotating at 1800 revolutions per minute produces an efective emf of 120 V . When connected…
A:
Q: Find the energy stored in a 7.4-mH inductor when the current is 3.5 A. J
A: L=7.4mH=7.4×10-3HI=3.5A
Q: Instructions 50 cm 10 cm 8.0 A R = 1.0 × 10-3 N A small circular loop of wire of radius 5 cm and…
A:
Q: Problem 5: A loop is placed near a current carrying wire as shown in the figure. > A Which of the…
A:
Step by step
Solved in 3 steps with 3 images
- What is the steady state value of the magnetic energy stored in the inductor?When the resistance of the variable resistor in the lefthand coil is increased at a constant rate, what is the direction of the current in resistor R of the right-hand coil, from a to b or from b to a? Briefly explain.What is the self-inductance (in mH) of a solenoid 31.6 cm long having 397 turns of wire and a cross- sectional diameter of 14.7 cm? mH
- How fast can the 155 A current through a 0.220 H inductor be shut off if the induced emf cannot exceed 70.0 V?__________ sThe self-inductance of the circuit in the figure below is 1.10 10-7 H. Find the back emf when the current is increasing at the rate of 2.11 107 A/s.Why is the terminal voltage less than the emf?