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

Q: The current in a coil changes steadily from 1.3 A to 2.5 A in the opposite direction, in 0.12 s. The…

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Q: 2100 turns of wire are wrapped in a solenoid that is 5.0 cm long, with a cross sectional area of 2.2…

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Q: 4. The phase relationship of the voltage and current of an inductor is a. current lags the voltage…

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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: As a way of determining the inductance of a coil used in a research project, a student first…

A: Given,Potential difference betweent the coil, V = 12.0 Vcurrent, I = 0.630 AThe student than…

Q: Two coils, 1 and 2, are separated in space, and have a fixed distance between them. When coil 2 has…

A: Given the emf in the second coil ε2 = 30 mV = 30×10-3 V The rate of change of current in the first…

Q: 6. a. Calculate the inductance of a solenoid containing 300 turns if the length of the solenoid is…

A: Given data- turns n=300,   length l=25 cm=0.25 m,  cross sectional area A=4×10-4 m2 Inductance of a…

Q: An ac generator has 12 turns of wire of area 0.08 m2. The loop rotates in a magnetic field of 0.3 T…

A: As per our guidelines, we are supposed to answer only first one question in case of multiple…

Q: . A large research solenoid has a self-inductance of 20.0 H.   What induced emf (in V) opposes…

A: Inductance of an inductor                                    L = 20.0 H Current passed through…

Q: 2. Mr. Lewis loves electronics so much, one night after having a cup of coffee he decided to make an…

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Q: Calculate the inductance of a solenoid with 146 turns if the length of the solenoid is 18_cm and its…

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Q: 1. An inductor has an inductance of 15 µH. When placed in parallel with a second inductor, their…

A: The above problem can be solved by using the concept of inductance in series and parallel circuit

Q: 6. A 120 turn coil of radius 1.8 cm and resistance 5.3 ohms is coaxial with a solenoid of 220…

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Q: 4. A self-induced emf in a solenoid of inductance L changes in time as e = €oe-kt where k is a…

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Q: 5. C₁50F, C₂ 10F, and C₂= 20F. Determine the effective capacitance for the three capacitors in…

A: Given variable To determine Determine the effective capacitance for the the three capacitors in…

Q: 3. Consider the circuit shown below. The switch S is closed for a very long time so that the current…

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Q: 6. Consider the following circuit: = R2 m = L mooo R₁ where = 60 V, R₁ 10 N, R₂ 30 N, and = 5 a)…

A: a)at t = 0 , there is no current inside the inductor.so,I ( inductor ) = 0 Amps.This means R1 and R2…

Q: A 15.0 kHz, 32.0 V source connected to an inductor produces a 1.90 A current. What is the inductance…

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Q: An inductor and a resistor are connected in series to a battery as shown in the figure below, where…

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Q: Cl. Consider the simple circuit shown to the right. The inductor is composed of 1000 loops and has…

A: Let the length of the solenoid be l, the radius of the cross-section of the inductor be r, the total…

Voltage Across Inductor

An actor is a passive electrical component that consists of a coil bent in the form of wire which uses electromagnetism to produce electric current through the coil. When the electric current flows through a conductor that is the coil, a magnetic flux is developed around the conductor. This flow of current through the coil creates a magnetic field based on Fleming's Right-hand thumb rule. If there is any decrease in the current passing through the inductor, then the magnetic field will also decrease and energy is released through the generation of electric current. There is also a secondary voltage inducing in the same coil due to the magnetic flux, since it opposes any changes in the electric current flowing through the circuit. An inductor is also called choke, coil, or solenoid. A choke is designed to block certain frequencies when the DC current passes. A winding coil is coated with insulation to give extra insulation and protect the circuit. They are usually tightly wrapped around a central core which is cylindrical in nature so that the magnetic flux can be induced. The solenoid is a three-dimension coil that is used to exhibit electromagnetism when the magnetic field is developed due to the current flowing through the coil. The sign convention of the inductor is the same as the power dissipating device. When the current flows into the positive side of the voltage across the inductor, the value is positive and the inductor dissipates power whereas when the inductor releases the power back to the circuit, the current has a negative sign convention.