the EMF induced in w with the minus si
Q: The maximum Current in 0,19H inductor connecled an AC ge nera ler with a frequency To of 68 4z is…
A: Inductance (L) = 0.18 Henry Frequency (f) = 68 Hz MAximum current (i) = 0.18 A
Q: As shown below, a wire loop (that is immersed in a 0.43 T B-field) grows from a radius of 4.2 cm to…
A:
Q: Discuss the relationship between the generated emf of a generator and its parameters.
A:
Q: S -0000 Consider the above circuit. You have assembled the above circuit and the EMF source is a 4V…
A: A DC circuit is given containing inductor and capacitor
Q: An emf of 9.7mV is induced in a coil while the current in a nearby coil is decreasing at a rate of…
A:
Q: The electric-power industry would like to find efficient ways to storeelectrical energy generated…
A: Energy stored in the inductor, U=1 kWh=1.00×103×3600=3.6×106 J Current, I=200 A
Q: In a single-loop coil, the flux is given by Φ=3 sin t + 5 cos t. What is the magnitude of the…
A: Induced emf may be defined as the rate of change of flux with respect to time. If E be induced emf…
Q: You wish to invent a sparker for lightning gas burners. A 1.5-A current from a battery runs through…
A:
Q: Switch S is closed at time t =0, initiating the buildup of current in the 15.0 mH inductor and the…
A:
Q: -b-
A:
Q: What is the current in the secondary line? If the primary 120V AC line with 50 turns around a core,…
A:
Q: What resistance R must be connected in series with a 200-mH inductor of the resulting RLC…
A:
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: The cost of energy delivered to residences by electrical transmission varies from $0.070/kWh to…
A: The Energy delivered to an electric device: The energy delivered to an electric device is equal to…
Q: For the transformer in the picture, determine: The transformer ratio, Np/Ns The secondary voltage,…
A: TRANFORMATION RATIO Np/Ns= 100/500 = 0.2 secondary voltageVp/Vs = Np/NsVs= Vp .Ns/Np = 110 .…
Q: A 22-mH inductor, an 7.9- resistor, and a 5.6-V battery are connected in series as in the figure…
A: To find the voltage drop across the resistor at t = 0, we need to first calculate the current…
Q: The inductance of L-4 henry and resistance of 100 ohm are connected in series with the battery of…
A:
Q: What is the rate at which the current though a 0.30-H coil is changing if an emf of 0.12 V isinduced…
A: We know that emf ϵ=-LdIdt dIdt=ϵL
Q: An A.C. source (Vrms = 294 V, f = 66.4 Hz) is connected in series to a resistor R = 3.64 Q, a…
A: The impedance offered by the series LCR circuit is as follows: Z=R2+XC-XL2Z=R2+12πfC-2πfL2…
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: What is the effect on the EMF of increasing the number of turns of wire from N = 1 to N = 400?
A: The answer to the given question is as follows.
Q: What factors that affect the magnitude of induced EMF? Explain.
A: ques:What factors that affect magnitude of induced EMF?
Q: What direct current will produce the same amount of thermal energy, in a particular resistor, as an…
A: The power dissipated in a resistor connected to an AC source is, Pavg=I2rmsRthen, Pavg=I2R2 the…
Q: A portable x-ray machine is designed to operate on normal 110V AC power. Its maximum capacity is…
A: Voltage, V1 = 110 VVoltage, V2 = 110 KV = 110000 VCurrent, I = 100 mATurn ratio, N2/N1 = ?
Q: If r.m.s. value of an alternating voltage is 230 V, what is its peak value ?
A: To Find: Peak value of alternating voltage Given that, Er.m.s.= 230 V
Q: I do not understand the equations for the two loop equations. If it asks for 0=____ and I input…
A: The algebraic sum of all the voltages in a close loop is zero.
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: If a 0.6T bar magnet is pushed through a 50 turn coli with an area of 0.003m2 in 1.9sec. The induced…
A: The expression for the induced voltage(e) can be given as, e = Nϕt, where N is the number of turns…
Q: A copper bar 90 cm long is perpendicular to a field of 0.75 Wb/m2 and moves at right angles to the…
A: Given that:-Length of rod, l=90 cm=0.90 mSpeed, v=250 mm/sMagnetic field when perpendicular to each…
Q: The plug-in transformer for a laptop computer puts out 7.50 V and can supply a maximum current of…
A: Given: Output voltage Vo=7.50 V, Output current Io=1.8 A, Input voltage Vp=240 V. Required: Input…
Q: What is the formula for maximum induced emf?
A: EMF stands for an electromotive force, a source of energy originated by the variation in the…
Q: secondary, What must be the primary current so that a flux of 0.28 Wb is developed in the if the…
A: Flux developed in secondary Φ = 0.28 Wb Mutual inductance M = 400 mH = 0.400 H Current reduces by 40…
Q: If the current in an inductor changes by a factor of 3.6, by what factor does the the energy in the…
A:
Q: If the current in an inductor is tripled, by what factor is the stored energy multiplied?
A: Inductors are passive electrical devices that are capable of storing energy in a magnetic field. The…
Step by step
Solved in 4 steps with 4 images