At a given instant the current and self-induced emf in an inductor are directed as indicated in the figure. (a) Is the current increasing or decreasing? (b) The induced emf is 17 V and the rate of change of the current is 25 kA/s; find the inductance. (a) (b) Units

Q: An RL circuit with a 6- resistor and a 0.04 H inductor cames a current of 1 A at t=0, at which time…

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Q: Problem 3. An RL circuit in which the inductance is 4.00 H and the resistance is 5.00 ohms is…

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Q: A series RL circuit formed of a R = 1.20-N resistor, a L= 11.0 H inductor, and connected to a V =…

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Q: If the value of inductance is 20 H and 4A of current flows through it, Find the value of energy…

A: Formula used to find energy stored in inductor is U = 0.5 L I2

Q: A coil is wound as a transformer of rectangular cross-section. If all the linear dimensions of the…

A: Self inductance L= μ0 N2 A / l = μ0 n2 lA

Q: A toroidal solenoid has 500 turns, cross-sectional area 6.25 cm2 , and mean radius 4.00 cm. (a)…

A: Given that, Number of turns (N) = 500 Cross-sectional area (A) = 6.25 cm2 Radius (R) = 4 cm=4×10-2 m…

Q: When the 20.5 A current through an inductor is turned off in 1.55 ms, an 810 V emf is induced,…

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Q: The 4.96 A current through a 1.50 H inductor is dissipated by a 1.97 Ω resistor in a circuit like…

A: Maximum current in inductor: I0 = 4.96 A Inductance on inductor: L = 1.5 H Resistance: R = 1.97 ohm

Q: When is the magnitude of the vector product of two vectors the largest? When the two vectors are…

A: Solution:-  Correct options is When  the two vector s are perpendicular

Q: How much of a change in current over time would produce a self-induced EMF of 6.00V in a  10µH…

A: self induced emf produced, ε=6.00 V Inductance in an inductor, L=10 μH=10×10-6 H=10-5H self…

Q: The current in a resistanceless inductor is caused to vary with time as shown in the graph of Fig.…

A: (a) Introduction: Oscilloscopes, or scopes are an important tool in the armoury of the electronics…

Q: Use the following constants if necessary. Coulomb constant, k = 8.987 × 10° N · m²/C¥acuum…

A: Given: q=13×10-6C , r1=8m, k=8.987×109N.m2/C2 (a) Consider a Gaussian sphere of radius r1 around the…

Q: |Problem 1: An inductor with L= 4.5 H is in a closed circuit with I = 0.35 A (see the diagram). When…

A: Given:The inductance: L = 4.5 H;The current flowing in the circuit initially: Ii = 0.35 A;The…

Q: A toroidal coil has an inductance of 47 mH. Find maximum self-induced emf in the coil when the…

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Q: (a) What is the characteristic time constant of a 24.2 mH inductor that has a resistance of 4.10 ?…

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Q: The spark plug system in a car stores energy in an inductor coil of 30 turns and inductance of 6.7…

A: (a) the current driven by the battery is, I=VRI=12 V2 ΩI=6 A   thus, the energy stored by the…

Q: An inductor with an inductance of 57.0 mH and a resistance of 15.0N is connected to the terminals of…

A: Given,Inductance L=57mHResistance R=15Ωemf=8V

Q: A single-loop circuit consists of a 7.4 Ω resistor, 11.9 H inductor, and a 3.3 μF capacitor.…

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Q: A single-loop circuit consists of a 7.0 2 resistor, 12.1 H inductor, and a 3.2 pF capacitor.…

A: Given data R=7ΩL=12.1 HC=3.2 μFQ0=6 μC

Q: For the RL circuit shown above, let the inductance be 3.00 H, the resistance 8.00 Ω, and the battery…

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Q: In the circuit shown, the switch is con- nected to position a for a long time, then thrown to…

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Q: Given below an Inductor-Resistor (LR) circuit driven by a DC source, V, of 20V. A meter long…

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Q: A series circuit contains a 4.70-H inductor, a 3.50-0 resistor, anda 7.00-V battery. The current is…

A: Given, inductor L = 4.70 H Resistor R = 3.50 Ohm's Voltage V = 7 V t = 0

Q: The 5.00 A current through a 1.50 H inductor is dissipated by a 2.00 Ω resistor in a circuit like…

A: (a) Write the formula for the initially stored energy in the inductor.

Q: The voltage across an inductor is proportional to the inductor and the derivative of the current…

A: As we know that,          Voltage across Inductor is given by :…

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 flux linkage through a certain coil of 0.75 ohm resistance would be 26 mWb if there were a…

A: a) The inductance of the coil is given by,

Q: When 100 volt D.C is applied across a coil, a current of one ampere flows through it, when 100V ac…

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Q: Two coil with self inductance 1 H and 2 H having a mutual Inductance of 1 H between them carry…

A: Formula:Utot=12L1I12+12L2I22∓MI1I2Given Data:L1=1 HL2=2 HM=1 HI1=2 AI2=2 A