A circuit consists of a 0.8 H inductor and a 3.5 ohm resistor. At t = 0 the current through the inductor is 1.2 A. How much energy is stored in the inductor at this instant?
Q: A vacuum cleaner motor can be viewed as an inductor with an inductance of 140 mH. For a 60.0-Hz AC…
A:
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: Where a 44 V battery is connected to three resistors and an inductor with values R1 = 96 Ω, R2 = 24…
A: An inductor has the tendency to resist the change in current in the circuit. When a switch is…
Q: Two resistors, R₁1 = 125 2 and R₂ = 325 £2, an inductor L = 3.7 mH, a 16 V battery, and a switch are…
A:
Q: A 70 μF capacitor with a 13 μC charge is connected across a 18 mH inductor. What is the charge on…
A: a
Q: A 60 V emf is produced in a 12 H inductor. Calculate the rate at which the current is changing in…
A: Given data The emf of an inductor is ε = 60 V. The Inductance of the inductor is L = 12 H. From the…
Q: Three inductors are connected in parallel in an electric circuit. If the inductance of the first…
A:
Q: In the circuit shown in the figure the coil has an inductance L = 0.35 H and a resistance of 23 Ω.…
A:
Q: An ideal inductor L=100 mH is connected to a source whose peak potential difference is 65 V. a) If…
A:
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: A series circuit contains a 2.50-H inductor, a 4.10-02 resistor, and a 9.50-V battery. The current…
A: Given, inductor L = 2.50 H Resistor R = 4.10 Ohm's Voltage V = 9.50 V t = 0
Q: Consider a 23 mH inductor that has a resistance of 4.15 Ω. Time constant is 0.00554. If the…
A: Given that L=23 mH R=4.15Ω Time constant τ=0.00554 s
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: An RL circuit consists of a resistor with a resistance of 13 Ohms and an inductor with an inductance…
A:
Q: The figure below shows a circuit with a battery of & = 3.78 V, a resistor with R = 2.97 2, and an…
A: Let's double-check each step and ensure the solution is accurate and clear. Steps to Find the Time…
Q: a circuit having an inductance of L=2mH has a current that varies with time as I=t^3e^-t. find the…
A: Emf induced can be given by, ∈=LdIdt where L is inductance and I is current and t is time. To be…
Q: A 26-mH inductor, an 8.5- resistor, and a 5.8-V battery are connected in series as in the figure…
A: (a) Time constant, T = I/R I (t) = Io(1-e-t/T) ER(0) = R*I(0) ER(0) = 0 V (b) At t = T ER =…
Q: n LRC circuit contains a 200-ohm resistor, a 2.00-H coil, and an unknown capacitor. The circuit…
A:
Q: The current in a coil drops from 3.8 A to 1.8 A in 0.51 s. If the average emf induced in the coil is…
A:
Q: Suppose 90 kW is to be transmitted over two 0.135 lines. Part A Estimate how much power is saved if…
A:
Q: The figure below shows a circuit with a battery of EMF = 3.75 V, a resistor with R = 2.16 2, and an…
A:
Q: A 7.2-mH inductor is connected to a current. What is the magnitude of the voltage in the inductor at…
A: The inductance of the inductor, L =7.2 mH Current through the inductance circuit, I(t) = 5+7t-2t2…
Q: EMF of 0.218V is induced in a coil when the current in a second coil is changing at a rate of…
A:
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: generator is connected across the primary coil (Np = 150 turns) of a transformer, while a resistance…
A: Transformers works on the principle of mutual induction. Power in primary and secondary is same for…
Q: An inductor stores 775.79J of energy at a current of 3.19A. What is the inductance of the inductor?
A: Energy stored in an inductor with inductance L and carrying current I is given by E=12LI2 This…
Q: An array of solar panels produces 8.65 A of direct current at a potential difference of 148 V. The…
A: Given: A solar panel produces a current of 8.65 A at a potential difference of 148 V. The…
Q: A 4.4-μF capacitor has a voltage of 52 V between its plates. What must be the current in a 5.9-mH…
A: Energy stored in a Capacitor (C) in terms of Voltage (V): The energy (W) stored in a capacitor is…
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: A charged 30 µF capacitor is connected to a 27 mH inductor. What is the angular frequency of free…
A: Given: C = 30 micro Farad = 30 x 10-6 F F = 27 mH = 27 x 10-3 H
Q: Energy is distributed to households from electrical substations as an ac signal…
A: Number of turns of secondary coil, Ns= 190 Input or source ac signal,…
A circuit consists of a 0.8 H inductor and a 3.5 ohm resistor. At t = 0 the current through the inductor is 1.2 A. How much energy is stored in the inductor at this instant?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
- A 15-V battery is connected in series with a resistor and an inductor, with R = 20 22 and L = 30.0 H, respectively. What is the energy stored in the inductor one-time constant after the switch is closed is. O 7.2 J 3.37 J 4.5 J O 18.4JA 23.3-µF capacitor is charged by a 153- V power supply, then disconnected from the power and connected in series with a 0.258-mH inductor. What is the magnitude of the current (in A) at t = 1.09ms?A 1.61 H inductor and a 19.8 ohm resistor are connected in series and the circuit is connected to a 11.5 V battery. After the current stabilizes and is current, the battery is disconnected and bypassed to allow the circuit to discharge. What is the current in the circuit 122 ms after disconnecting the circuit from the battery?
- If the current in an inductor is doubled, by what factor is the stored energy multiplied?Initially, an inductor with no resistance carries a constant current. Then the current is brought to a new constant value twice as large. After this change, when the current is constant at its higher value, what has happened to the emf in the inductor?The battery terminal voltage in the figure below is = 7.70 V and the current I reaches half its maximum value of 7.00 A at t = 0.130 s after the switch is closed. A circuit contains a battery, a switch, an inductor, and a resistor. The circuit starts at the positive terminal of the battery labeled emf ℰ, goes through the switch labeled S, goes through the inductor labeled L, goes through the resistor labeled R and ends at the negative terminal of the battery. (a) Calculate the time constant ? (in s). ? s (b) What is the potential difference (in V) across the inductor at t = 0.130 s? ?V (c) What is the potential difference (in V) across the inductor in the instant after the switch is closed at t = 0? ?V
- A 3.5 mH inductor and a 4.5 mH inductor are connected in series and a time varying current is established in them. When the total emf of the combination is 16 V, what is the emf of the larger inductor?A loop of wire has a self-inductance of 5.5 mH. You pass a current of 9.0 Amps though the loop, and then drop the current to 0 at a contastant rate over 3.5 seconds. What is the EMF generated?A series RL circuit includes a 4.05 V battery, a resistance of R = 0.555 Q, and an inductance of L = 2.03 H. What is the induced emf 2.03 s after the circuit has been closed? 3.10 induced emf: V Incorrect
- The current in a coil decreases from 9.0 A to 5.5 A in 0.30 s. If the average emf induced in the coil is 25 mV, what is the self-inductance of the coil?A 35.0 V battery with negligible internal resistance, a 50.0 Ohm resistor, and a 1.25 mH inductor with negligible resistance are all connected in series with an open switch. The switch is suddenly closed. How long after closing the switch will the current through the inductor reach one-half of its maximum value? How long after closing the switch will the energy stored in the inductior reach one-half of its maximum value?