Three coils each having resistance 562 and inductance L' H are connected in STAR to a 415V, 50HZ, 3- phase supply. If the line current is 25A, find the value of L.

Q: A solenoid with 435 turns has a length of 7.50 cm and a cross-sectional area of 2.90 ✕ 10−9 m2. Find…

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Q: A solenoid has an inductance of 23 mH. If the solenoid has 2200 turns per meter and a length of 15…

A: Concept:-      The inductance of a solenoid is given by             L=μ0 N2Al      Here,…

Q: A solenoid of radius 2.30 cm has 660 turns and a length of 25.0 cm. (a) Find its inductance. mH (b)…

A: Given Radius of the solenoid is r=2.30 cm=0.023 m Number of turns in the solenoid is N=660 Length of…

Q: The current (I) takes 5 ms to reach 90% of its max value. The inductance (L) of the coil is equal to…

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Q: A coil has 2.55-ΩΩ resistance and 121-mH inductance. If the current is 3.00 A and is increasing at…

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Q: Consider the RL circuit shown in the figure, where R = 12.3 Ω. The switch S is closed at t = 0. At…

A: Given Data The resistance given in the circuit is R = 12.3 Ω. At t = 3 ms the current has reached I…

Q: The mutual inductance between two coils is 3.25 mH. A changing current in the primary coil resulted…

A: The induced emf is given by  e= Md idt where, M is the mutual inductance, and di/dt is the rate of…

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 current changing at a rate of 5 A/s in a coil of inductance 5 H induces an EMF of: O a. 1 V in the…

A: The expression for emf is ε=-MdIdt

Q: A coiled telephone cord forms a spiral with 70.0 turns, a diameter of 1.30 cm, and an unstretched…

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Q: A coil of resistance 15Ω and inductance 0.6H is connected to a 120V D.C. line. At what rate will the…

A: (given) Resistance (R) of coil = 15 Ω Inductance (L) of coil = 0.6 H…

Q: The self inductance of the coil in the electric motor of the Prius is 200 mH. When the car starts…

A: The expression for Emf

Q: An RL circuit consists of a battery E = 24.0 volts, a resistor R = 4.5 ohms, and an inductor L =…

A: We have given data; ε = 24 v , R = 4.5 Ω,  L = 12 H , I = 4 A , t = 5s

Q: Using applications of Differential Equations. If the circuit is moved to position 2, find the…

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Q: A solenoid with 425 turns has a length of 5.50 cm and a cross-sectional area of 2.60 ✕ 10−9 m2. Find…

A: Given quantities: Number of turns (N) = 425 Length of the solenoid (d) = 5.50 cm Area of…

Q: a 2. An inductance of 1 mH, a condenser of 10 μF and resistance of 50 Q are connected in series. The…

A: An inductance of 1mH , condenser of 10yF and a resistance of 50 ohm are connected in series.

Q: Find the cross-sectional area of a 5.1 cm long solenoid with 480 turns and a self-inductance of 44…

A: Length (L) = 5.1 cm = 0.051 m Number of turns (N) = 480Self inductance = 44 μH

Q: A solenoid of radius 1.50 cm has 760 turns and a length of 15.0 cm. (a) Find its inductance. mH (b)…

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Q: An emf of 0.70 V is induced across a coil when the current through it changes uniformly from 0.45 to…

A: Given data:  Emf (e) = 0.70 V Initial current = 0.45 A Final current = 0.55 A Time (t) = 0.40 s…

Q: what is the inductance of a coil wire that generates an instantaneous voltage of 1 v when the…

A: Given: Voltage V=1 V Rate of change of current dIdt=0.1 A/s

Q: 4.30 32 3. In the circuit the emf ɛ = 21.3 volts and the inductance L= 150 mH. What will be the…

A: emf (E) = 21.3 volts L = 150 mH = 0.15 H t = 15.5 ms = 0.0155 s

Q: The inductance of a closely wound coil is such that an emf of 3.00 mV is induced when the current…

A: The equation for the inductance of the coil can be obtained as Substituting the values gives the…

Q: A thin wire is tightly wrapped around a dowel (a wooden cylinder of radius 5.49 cm, length 0.28 m)…

A: Given that: Radius of the cylinder, r= 5.49 cm = 0.0549 mLength, l= 0.28 mNumber of turns in each…

Q: A coil is connected in series with a 9.99 k2 resistor. An ideal 62.2 V battery is applied across the…

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Q: If two coils placed next to one another have a mutual inductance of 7.50 mH, what voltage (in V) is…

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Q: The inductance of a closely packed coil of 400 turns is 6.5 mH. Calculate the magnetic flux (per…

A: The coil with 400 turns can be considered as a solenoid. The expression for inductance of a solenoid…

Q: A coil has a self inductance of 10 Henry. If the current through the coil changes at a rate of 5…

A: Self inductance (L) =10 henry Current through coil changes at a rate of 5 Amps per second Emf will…

Q: Three inductive loads each of resistance 75Ω and inductance 318.4mH are connected in delta to a…

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Q: Two coils have a mutual inductance of 2.34 x 10 H. The current in the first coil increases at a…

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Q: An inductor of inductance 7.0 H and resistance 27 Q is connected in series with a battery of emf 12…

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Q: A0.2 H inductor and a 146 Ohm resistor are connected to a 12 V battery. After how much time will the…

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Q: How many turns of wire are needed to produce an inductance of 100 mH if the length of the coil is 30…

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Q: An emf of 96.0 mV is induced in the windings of a coil when the current in a nearby coil is…

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Q: A coil has an inductance of 1.5 H and a resistance of 0.6 ohm. If the coil is suddenly connected…

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Q: A direct current of 25A creates a flux of 1.4 X 10-4 Wb in a coil of 500 turns.  What is the…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A coil has an inductance of 50 mH and a resistance of 0.24 Q. A 12V emf is applied across the coil.…

A: The RL circuit consists of the Resistance and Inductance connected in series. The voltage difference…

Q: A 25 cm long solenoid of 100 turns with area of 9 cm2 has current of 1.5 A changing at a rate of 2…

A: Length, d = 25 cm = 0.25 m  Turns, N = 100  Area, A = 9 cm2 Current, I = 1.5 A  di/dt = 2 A/s

Q: The self-inductance of the circuit in the figure below is 9.20  10-8 H. Find the back emf when the…

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Q: 4. An inductor has an inductance of 0.16 mH. Calculate the number of turns per unit length of this…

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Q: A circuit consist of an inductor of inductance value P and a resistor of a resistance value 46 N.…

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Q: The self-induced emf in a loop opposes     a. the net resistance in loop     b. the inductance…

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Q: The inductance of a closely packed coil of 400 turns is 8.0 mH. Calculate the magnetic flux through…

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Q: At t = 0, an emf of 420 V is applied to a coil that has an inductance of 0.780 H and a resistance of…

A: Let the maximum current be io Given that Resistance (R)= 30 ohm Emf (E)= 420 v Inductance (L)= 0.780…

Q: A flat coil of wire has an inductance of 40.0 mH and a resistance of 5.80 N. It is connected to a…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: An electric doorbell uses an electromagnet to pull on a steel hammer that rings the bell. The…

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Q: A 2H inductor is in series with two 4H inductors that are in parallel with each other. The effective…

A: Answer A: 4H For  inductance Circuit in parallel LP=L1L2L1+L2 Circuit in series LS=L1+L2