Find the induced emf when the current in a 48.0-mH inductorincreases from 0 to 535 mA in 15.5 ms

Q: suppose that field is increasing at rate of 11.5mT/s identify magnitude of induced emf given that:…

A:

Q: A generator produces 21.0 V when turning at 870 rev/min. What emf does it produce when turning at…

A: emf induced = 21 V when the coild turns at 870 rev/min New angular speed = 510 rev/min Let the…

Q: Discuss the relationship between the generated emf of a generator and its parameters.

A:

Q: A coil produces an emf of 1.50 V when the current in it changes from -12.0 mA to +32.0 mA in 4.00…

A: According to the laws of electromagnetic induction, the induced emf is given by  e = L d Id t where,…

Q: A 35 kW, 250 V DC shunt motor has an armature and field resistance of 0.01 ohms and 86 ohms…

A:

Q: A certain generator has armature resistance 0.080 ohms and develops an induced EMF of 440 V when…

A:

Q: Calculate the peak voltage of a generator that rotates its 220-turn, 0.100 m diameter coil at 3400…

A: GivenNumber of turns (N) = 220Diameter of the coil =0.100 mMagnetic field (B) = 0.860 Tcoil is…

Q: The current in an RL circuit builds up to one-third of its steady-state value in 5.54 s. Find the…

A:

Q: 102. A 12 H in rate must the cu in the inductor?

A: Since there are multiple questions posted, we will answer the first question for you. If you want…

Q: The maximum induced emf in a generator rotating at 210 rpmis 35 V. How fast must the rotor of the…

A: To determine the unknown rotational speed of the maximum emf . εmax,1=NBAω1 εmax,2=NBAω2 Solve the…

Q: The self-inductance of the circuit in the figure below is 1.10 x 10-7H. Find the back emf when the…

A: Given: The inductance of the circuit is 1.1x10-7 H. The rate of current increasing at the rate of…

Q: rent. A 115 V dc generator delivers 120 A to a load. If the generator has an efficiency of 81…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The self-inductance of the circuit in the figure below is 9.10 x 10-8 H. Find the back emf when the…

A:

Q: Find the energy stored in the magnetic field of an indicator having inductance 12.5 mH carrying the…

A: The expression for the energy stored in the magnetic field is

Q: calculate the peak voltage (in v) of a generator that rotates its 225 turn, 0.100 m diameter coil at…

A:

Q: Calculate the reactance of a 5.0-mH inductor at (a) 60 Hz, (b) 600 Hz, and (c) 6000 Hz.

A: a. the reactance of a 5.0-mH inductor at  60 Hz is

Q: if the area of the coil is 6920 cm2 and magenetic field applied is increasing uniformly from 0.3 T…

A:

Q: find the induced  emf in the wire over a time of 0.3 sec.

A:

Q: A shunt generator supplies a 27kW load at 205V through cables of resistance, R = 112mn. If the field…

A:

Q: A 300 turns coil is cut perpendicular to the changing magnetic flux of 0 Wb to 50 mWb in 0.1 s. Find…

A: emf =enumber of turns= nchange in mag. flux=∆ϕchange in time= ∆t

Q: Correct expression for induced emf according to Lenz's law is e =- At a. b. e=- At C. e=-NA At

A:

Q: the disk is 0.400 m. Find the emf generated between the brushes. When superconducting coils are used…

A: First we need to find formula for emf generated using basic definition of emf and magnetic flux.…

Q: A 12.0-V battery is connected in series to a 25.0-Ohm resistor and a 5.00-H inductor. How much…

A:

Q: what is the magnitude of the average induced emf ( in units of mV) in it during this time interval?

A:

Q: 9: A SOV baltery is Conneclteed Co a series tonnected cincujl in eshich inductance is 0.Shenrry aud…

A: Given:- The Series RL circuit in which R = 20 Ohm  The Voltage V = 50 V  Inductance = 0.5 H  Find:-…

Q: find the induced emf in the coil once coil is rotated about 0.3 secs

A:

Q: A solenoid of radius 4.5 cm has 800 turns and a length of 25 cm. (a) Find its inductance. mH (b)…

A:

Q: A 298 turn solenoid has a radilus of 4.95 cm and a length of 19.5 cm. (a) Find the inductance of the…

A: Formula of inductance of solenoid is as follows: L=μ0N2Al…

Q: Find the magnetic energy stored by a 5.22 mH inductor when the current through it is 11.1 A.

A:

Q: A current of 5.75A flows in the coul of wire from an applied voltage of 120V. The motor operates at…

A: I = 5.75 A  Vapplied = 120 V  Back emf ( E ) = 32 V

Q: 50. Y Reactance of an Frequency inductor

A: Write the formula for the inductive reactance as, XL=2πfL Here, f is the frequency and L is the…

Q: In an LR-Csenes crcuit. the resistance is 420 chma. he inductance is 0.340 henrya, and the…

A: We know that the formula of the resonance angular frequency in the LCR  series circuit is given as…

Q: An inductor with inductance L = 0.4H carries a current of 1A. Calculate the potential energy stored…

A:

Q: How fast can the 155 A current through a 0.220 H inductor be shut off if the induced emf cannot…

A:

Q: A 10-H inductor carries a current of 20 A. Describe how a 50-V emf can be induced across it.

A: Mutual inductance is M = 10 H Current through the inductor is I = 20 A

Q: A solenoid has a length of 20 cm, a radius of 0.8 cm, and 350 turns, and carries a 2.9-A current.…

A:

Q: A generator produces 24.0 V when turning at 900 rev/min. What emf does it produce when turning at…

A: The formula for the emf generated is given by  e = N B A w where, N is the number of turns, B is the…

Q: An ideal air-core solenoid has a length of 6.5 cm, area of 2 cm2 and 3000 turns. Find the…

A: Given values: Length, l=6.5 cm Area, A=2 cm2 Number of turns, N=3000 turns