1.4 Coil 1 Coil 2 (b)
Q: A 10-H inductor carries a current of 20 A. Describe how a 50-V emf can be induced across it.
A: Solution:-Given thatInductance (L)=10 HCurrent (I)=20 Aemf (ε)=50 V
Q: The time variation of the current in a 3H inductor is given by I=5+7t-7t^2, with I in amperes and t…
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Q: h energy is stored is 6 mH inductor with 1 amp current. Calculate the power if you consume all the…
A: Given values:- Inductance,(L)=6 mH=6 H ----(1) Current,(i)=1 Amp. ----(2) Time,(t)=100…
Q: , A solenoid inductor has 40 turns. When the current is 3 A, the flux through each turn is 20 µWb.…
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Q: Calculate the frequency of an LC circuit made with a 500 pF capacitor and a 3.3 H inductor.
A: In an LC circuit, the capacitor will store energy in electric fields and the inductor will store…
Q: Can a circuit element have both capacitance and inductance?
A: No, it is not possible that a circuit element has both capacitance and inductance.
Q: A 12H inductors carries a current of 2A. At what rate must the current be changed to produce a 60V…
A: The equation for the rate at which the current has to be changed can be obtained as
Q: A simple RL circuit includes a 0.125-H inductor. If the circuit isto have a characteristic time of…
A: The expression for the characteristic time of RL circuit is τ=LR Here, R is the resistance of the…
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: An A.C. circuit consist of a resistor of 50 and inductor of 10 mH connected in series with 50 V, 50…
A: We can write-Peak current in a series LCR circuit, I=VR2+XL2-XC2here, V is peak emfR is…
Q: How fast can the 150 A current through a 0.250 H inductor be shut off if the induced emf cannot…
A: Given: Current, i = 150 A inductance, L = 0.25 H Voltage, V = 75 V
Q: A wire along the z-axis (horizontal) with current I going in the positive z-direction produces the…
A: We know that the induced e.m.f e= -(rate of change of flux) Flux = B.A Where B is magnetic field and…
Q: A coil of inductance 0.5H and resistance 100n is connected to a 240V,50HZ ac supply. a) What is the…
A: Given value--- inductance = 0.5 H. resistance = 100 ohm. Voltage = 240 V frequency = 50 Hz. We…
Q: The current in an inductor decreases linearly from 2 mA to zero in 4 ms. Calculate the average emf…
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Q: The current in an inductor decreases linearly from 2 mA to zero in 4 ms. Calculate to find the…
A: The initial value of the current is 2 mA. The final value of the current is 0. The time taken to…
Q: How fast can the 155 A current through a 0.160 H inductor be shut off if the induced emf cannot…
A: For the inductor we have V=LdIdt=L∆I∆t⇒∆t=LV∆I
Q: How fast can the 160 A current through a 0.260 H inductor be shut off if the induced emf cannot…
A: Current , I = 160 A Inductor , L = 0.26 H Induced emf = 73 V To find = Time taken
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: Ex. 86: An A.C. voltage of r.m.s. value 1 V is applied to a parallel combination of inductor L = 10…
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Q: Is more energy stored in an inductor by doubling the inductance or by doubling thecurrent?
A: To determine: Whether the energy stored is more or not by doubling the inductance or the current.
Q: If there is initially 12V across a 100 ohm resistor in an RL circuit (only a resistor in series with…
A: R-L Circuits: R-L circuits are the circuits in which there is one energy storing element (inductor)…
Q: a) Calculate the self-inductance (in mH) of a 54.0 cm long, 10.0 cm diameter solenoid having 1000…
A: Length of the solenoid () = 54.0 cm = 0.54 mDiameter of the solenoid () = 10.0 cm = 0.1 mNumber of…
Q: State two ways to produce a higher emf in an ac generator?
A: The two ways to produce a higher electromotive force (emf) in a ac (alternating current) generator…
Q: Find the kinetic energy K of the car at he top of the loop in Joules. B. Find the minimum initial…
A: As the track is frictionless energy will be conserved at every point of the track.
Q: In an RL series circuit connected to a dc source and a switch, the inductor gets 40% of its maximum…
A: Given Current I = 40% = 0.4 Time t = 1.8 s Find the time constant of this circuit, as following…
Q: In a fluorescent lamp choke (a small transformer) 100 V of reversible voltage is produced when choke…
A: Given data- ∈=100 VdI=0.25Adt=0.025 msL=?
Q: Use the worked example above to help you solve this problem. An AC generator consists of eight turns…
A: Since you have asked multiple questions we will solve the first question for you. If you want any…
Q: How fast can the 160 A current through a 0.230 H inductor be shut off if the induced emf cannot…
A: Given: current=160 A inductor=0.230 H Formula used: V=-Ididt
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