●Two coils, held in fixed positions, have a mutual inductance of 170 µH. What is the peak emf in one coil when the current in the other coil is i(t) = 10.0 sin (1.5 x 10³t), where i is in amperes and t is in seconds?
Q: An emf of 0.60 V is induced across a coil when the current through it changes uniformly from 0.30 to…
A:
Q: An emf of 86.5 mV is induced in the windings of a coil when the current in a nearby coil is…
A: The emf induced in the windings of a coil is given by Where e = emf induced, M = Mutual inductance…
Q: RL circuit
A:
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: Given that,The mutual inductance of two coils is 3.6×10-3 Hwhere, ε=9.7×10-3 Vand dIdT=2.7 A/sEmf of…
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: A 66.0 mH inductor is connected to an AC source whose emf is represented by the equation E = Emax…
A:
Q: The circuit shown in the figure contains a resistor and a solenoid. A battery is connected by…
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 coiled telephone cord forms a spiral with 60.0 turns, a diameter of 1.30 cm, and an unstretched…
A: Write the expression for the inductance of the solenoid.
Q: A series RLC circuit driven by a source with an amplitude of 120.0 V and a frequency of 50.0 Hz has…
A: Given That, XL = 2 pi f L = 2 3.14 * 50* 0.762 XL = 239.27 ohm capacitive reactance Xc = 1/( 2 pi…
Q: A lab tech observes that the current in a coil of conducting wire goes from /₁ = 0.200 A to /₂ =…
A:
Q: A 1.25 H inductor in an RL circuit (with resistance 2.2 Ω) is initially fully charged. A switch is…
A: When the switch is at position 2, the expression for the current will be,
Q: The current in a coil changes from 3.60 A to 1.90 A in the same direction in 0.510 s. If the average…
A: Given data : Current , I1 = 3.60AI2 = 1.90A…
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 step-down transformer has 63 turns in its primary coil and 20 turns in its secondary coil. The…
A: Given: Number of turns in the primary coil, Np=63 Number of turns in the secondary coil, Ns=20…
Q: A solenoid of radius 3.5 cm has 580 turns and a length of 25 cm. Find its inductance. ______mH…
A:
Q: Consider a 27 mH inductor that has a resistance of 4.25 Ω. Part (a) What is the time constant, τ,…
A: Concept We have given a LR circuit, with inductance L = 27mH = 0.027 H , and resistance R = 4.25 Ω…
Q: A series RLC circuit driven by a source with an amplitude of 120.0 V and a frequency of 50.0 Hz has…
A:
Q: A coil has a DC resistance of 70 N and an impedance of 220 N at a frequency of 1 kHz. Neglect the…
A:
Q: 4.30 32 3. In the circuit the emf ɛ = 21.3 volts and the inductance L= 150 mH. What will be the…
A: emf (E) = 21.3 volts L = 150 mH = 0.15 H t = 15.5 ms = 0.0155 s
Q: An emf of 121.5 mV is induced in the windings of a coil when the current in a nearby coil is…
A: The formula for the induced emf in term of mutual inductance is:
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: In the circuit of the figure below, the battery emf & is 75 V, the resistance R is 150 , and the…
A:
Q: current in the circuit
A:
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: Two coils, 1 and 2, are separated in space, and have a fixed distance between them. When coil 2 has…
A: Given - Rate of increase of current in coil -1, di1/dt = 24.0 A/s EMF induced in coil -2 due…
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: A 23.3-µF capacitor is charged by a 153- V power supply, then disconnected from the power and…
A:
Q: A 10-V battery has been connected to an LR circuit for sufficient time so that a steady current…
A: a) To determine the emf across the inductor as the current decays, we can use the equation for the…
Step by step
Solved in 3 steps
- 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?Two resistors of resistance R1and R2 are placed in series across a battery with voltage V, such that a current I=V/(R1+R2) flows around the circuit. If a coil with inductance L is then placed inparallel withR1, what is the new currentIa long time after the coil has been added? Give your final answer.
- How many turns of wire would be required to make a 150 mH inductance out of a 20.0 cm-long air-filled coil with a diameter of 4.8 cm?Tarik winds a small paper tube uniformly with 173 turns of thin wire to form a solenoid. The tube's diameter is 7.95 mm and its length is 2.07 cm. What is the inductance, in microhenrys, of Tarik's solenoid? inductance: µHThe 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 solenoid with 465 turns has a length of 7.50 cm and a cross sectional area of 2.70×10^-9 m^2. Find the solenoids inductance and the average emf aroumd the solenoid if the current changes from +2.50 A to -2.50 A in 5.33×10^-3 s.What is the inductance of a coil in which the average emf induced is 20.0 mV when the current in the coil is increased from 3.50 A to 7.70 A in 0.330 s?An inductor with inductance L is connected to an AC source. If the AC source provides a voltage VL(t) = V0cos(omegat), what is the current IL through the inductor as a function of time? Use the cosine function.