An emf of 9.7 x 10-3 V is induced in a coil while the current in a nearby coil is decreasing at a rate of 2.7 A/s. What is the mutual inductance of the two coils?
Q: An inductor of inductance 6.0H and resistance 640 ohms is connected in series to two resistors which…
A: Given: The value of first resistor is R1=640 Ω The inductor has a value of L=6 H. Out of the…
Q: Two coils, held in fixed positions, have a mutual inductance of 100 μH. What is the peak emf in one…
A: Inductors are passive electric devices capable of storing energy in them as magnetic fields. When…
Q: If the current in an inductor is doubled, 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…
Q: An emf of 9.7 x 10-3 V is induced in a coil while the current in a nearby coil is decreasing at a…
A: We have following values-ε=9.7×10-3 Voltand,Change in current, dIdt= 2.7 A/sWe know that-EMF of a…
Q: A solenoid has a resistance of 48.0 w and an inductance of 0.150 H. If a 100 Hz voltage source is…
A: We must determine whether the voltage leads or lags the current by calculating the phase angle…
Q: A coil has 2.55-ΩΩ resistance and 121-mH inductance. If the current is 3.00 A and is increasing at…
A:
Q: In a coil with an inductance of 5 mi, the current changes in 0.1 ms by 0.2 A. How much…
A:
Q: What is the inductance of a coil if the coil produces an emf of 2.86 V when the current in it…
A:
Q: A device is turned on and 3.00 A flows through it 0.100 ms later. What is the self-inductance of the…
A: Given: change in current, di = 3 A time taken, dt = 0.1 ms = 1 x 10-4 s induced emf, e = 150 V
Q: An emf of 0.40 V is induced across a coil when the current through it changes uniformly from 0.10 to…
A: Given that-emf= 0.40 VTime= 0.30 secChange in current from 0.60A to 0.10AEMF which is induced in the…
Q: Ex. 7: When 100V D.C. is applied across a coil, a current of 1A flows through it. When 100 V A.C. of…
A: We need to compute-Resistance (R)=?Impedance (Z)=?Self Inductance (L)=?The data given as-Applied emf…
Q: What is the inductance of a coil in which the average emf induced is 21V when the current in the…
A:
Q: Two coils are placed close to each other. One of the coils has a current passing through it given by…
A: Inductors store energy in magnetic fields. When another inductor is placed close to an inductor the…
Q: A conducting coil, with current i(t) = 4.00e-0.0250t sin(120at), with i in amperes and t in seconds,…
A:
Q: A coil with a self-inductance of 2.0 H carries a current that I(1) = (2.0 A)sin 120xt. Find an…
A: Given, self inductance of coil L=2HCurrent I(t)=2sin120πt
Q: Current in a circuit falls from 5.0 A to 0.0 A in 0.1 s. If an average emf of
A: Given: The initial current is 5.0 A. The final current is 0.0 A. The time is…
Q: The self-inductance of the circuit in the figure below is 9.60 10-8 H. Find the back emf when the…
A: Given data The self-inductance is given as L = 9.60 x 10-8 H. The rate of increase in current is…
Q: n inductance of 3 H and a wire resistance of 15 Ω. How long will it take for the current to reach…
A: GivenL=3 HR=15 Ω
Q: What is the inductance of a coil if it produces an emf of 8.46V when the current in it changes from…
A: Given: Current ranges from -28.3 mA to 33.2 mA emf is 8.46 V
Q: Two coils are made using the same length of wire and the same number of turns per length, but coil A…
A: Given that, The coils are made using the same length of wire and the same number of turns per…
Q: A pair of adjacent coils has a mutual inductance of 1.5 H. If the current in one coil changes from 0…
A: Faraday gave the principles of Electromagnetic Induction which meant that change in the magnetic…
Q: The current in an inductor decreases linearly from 2 mA to zero in 4 ms. Calculate the average emf…
A:
Q: The mutual flux in the core of a 47.9 - cycle transformer that has 800 primary turns and 190…
A: Solution: Given data, Primary turns N1 =800 Secondary turns N2 =190 Mutual flux = 2.17 × 10-6…
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: A 12 V DC power supply is connected to the primary coil of a transformer. The primary coil has 100…
A:
Q: Two coils of wire are placed next to each other. The current in the first coil increased from 0 to…
A: According to the laws of electromagnetic induction, the induced emf in the coil is given by where,…
Q: Two coils, held in fixed positions, have a mutual inductance of 225 µH. What is the peak emf in one…
A:
Q: The current in a coil changes according to the formula: I = 0.5 − 0.2 t where t is in seconds and I…
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…
Q: coil has 2.55-Ω resistance and 121-mH inductance. If the current is 3.00 A and is increasing at a…
A:
Q: The mutual inductance between two coils is 3.25 mH. A changing current in the primary coil resulted…
A: Given data: Mutual inductance of the coil L =3.25mH Current I =5.45mA Resistance R =9 ohms
Q: Current in a circuit falls from 5.0 A to 0.0 A in 0.1 s. If an average emf of 200 V induced, give an…
A: The initial current is 5.0A, Final current is 0.0A, time taken is 0.1s, and the average emf is 200V.…
Q: ) What is the inductance of a coil if it produces an emf of 8.5V when the current in it changes…
A: Given: The induced emf is 8.5 V. The initial current is -20 mA. The final current is 24 mA. The time…
Q: coil rated 600 Watts, 330 Volts, 60 Hz has a resistance of 20 Ω. What is the inductance of the coil…
A: Given: The rated power and voltage is 600 W and 330 V. The resistance of the circuit is 20 Ohm. The…
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: The inductance in the drawing has a value of L = 9.0 mH. What is the resonant frequency fo of this…
A: In an RLC circuit, the resonance frequency is given by, f0=12πLC Where L is inductance, and C is…
Q: If you triple the inductance of an inductor, by what factor will the amount of energy it can store…
A: The expression for the amount of energy stored in the inductor is given as U=12LI2 *Here L is the…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
