Q. 4 : An e.m.f. of 20 mV is induced in a solenoid by a rate of change of current 4 A/s. The self inductance of the solenoid is (a) 3 mH (b) 4 mH (c) 5 mH (d) 6mH
Q: A technician wraps wire around a tube of length 33 cm having a diameter of 8.1 cm. When the windings…
A: Given: The length of the tube where a technician wraps wire around it is l = 33 cm The diameter of…
Q: lowing through a solenoid of inductance 7.4 H. Part(a): Determine the magnetic flux through the…
A: The Current in the solenoid of inductance is I = 3.9 A The Inductance L = 7.4 H Find:- Part(a):…
Q: A solenoid with 485 turns has a length of 7.00 cm and a cross-sectional area of 3.50 x 10-9 m2. Find…
A: a) The inductance of the solenoid can be obtained as L=μ∘N2AlSubstituting the given values :L=(4π x…
Q: Two solenoids A and B, spaced close to each other and sharing the same cylindrical axis, have 470…
A: Given that: NA=470 NB=570iA=2.60 AϕA=300μWb=300×10-6 WbϕB=90μWb=90×10-6 Wbdidt=0.5 A/s
Q: Say that a large research solenoid has a self-inductance of L = 1.5 Henry (H). a. You observe a…
A: The objective of this question is to calculate the electromotive force (emf) that was set up by the…
Q: A 41.0 mA current is carried by a uniformly wound air-core solenoid with 445 turns, a 12.0 mm…
A:
Q: If the ratio of the outer radius to the inner radius of a rectangular toroid is doubled how does the…
A: Option (a) "The answer can not be determined from the information given" is correct.Explanation:Step…
Q: 3. A 12.0 V battery is connected in series with a 10.0 0 resistor, an inductor and a switch. At time…
A:
Q: A solenoid with 485 turns has a length of 5.00 cm and a cross-sectional area of 2.90 ✕ 10−9 m2. Find…
A:
Q: A 521-turn solenoid has a radius of 7.00 mm and an overall length of 15.0 cm. (a) What is its…
A: Given: No. of Turns (N) = 521 Radius (r) = 7 mm = 0.007 m; Length (l) = 15 cm = 0.15 m
Q: A 5.70 x 10 -5 H solenoid is constructed by wrapping 80 turns of wire around a cylinder with a…
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Q: A long, cylindrical solenoid with 135 turns per centimeter has a radius of 9.5 cm. (a) Neglecting…
A: The expression for self-inductance of a solenoid is given by L=μ0n2Al Rearrange the above equation…
Q: A solenoid having an inductance of 5.00 µH is connected in series with a 1.17 k resistor. (a) If a…
A:
Q: A small solenoid with a radius of 12 cm and 100 turns is placed inside a long solenoid (n = 550…
A: Radius, r = 12 cm = 0.12 m Turns, N = 100 Turns per length, n = 550 turns/cm = 55000 turns/m didt =…
Q: At t=0 the open switch in figure is closed. By using kirchhoff's rule for the instantaneous currents…
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Q: We have a perfect solenoid of radius 10 cm and length 50 cm with 50,000 loops. A constant current of…
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Q: In the L-C circuit in the figure, the ammeter reads a maximum current of I = 5.19 mA. The…
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Q: an inductor carrying a 1.45 A current stores an energy of 0.250 mJ, what is its inductance? ______mH…
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Q: Inductors in series. Two inductors L1 = 1.06 H and L2 = 2.07 H are connected in series and are…
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Q: The current I(t) through a 5.0-mH inductor varies with time according to the plot below.Calculate…
A: At t = 2 ms : v = -10 v At t = 8 ms : v = 1.25 vExplanation:
Q: A solenoid with 485 turns has a length of 5.50 cm and a cross-sectional area of 3.10 ✕ 10−9 m2. Find…
A: The inductance of the solenoid can be obtained as
Q: The flexible loop in the figure below has a radius of 13 cm and is in a magnetic field of strength…
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Q: A solenoid of lenght 40 cm has 360 turns of radius 2.8 cm. A tightly wound coil with 8 turns of…
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Q: The current in the solenoid, whose inductance is L = 0.120 H, change in time according to the…
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Q: inductance (in H)
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Q: In experiment 8, the induced emf on the second solenoid is measured by a multimeter. What is the…
A: Given : Induced emf as measured by a multimeter = 0.045 V
Q: In experiment 8, the induced emf on the second solenoid is measured by a multimeter. What is the…
A:
Q: Inductors in series. Two inductors L1 = 1.13 H and L2 = 2.01 H are connected in series and are…
A: Expression for equivalent inductance when they are connected in series - Leq = L1 + L2 Given values…
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- The figure shows the current in Amps passing through a 28 mH inductor as a function of time (in ms). Determine the induced emf (in Volts) in the inductor at t= 1 ms. T(A) +2 (ms) -2 CopA coil of Nc =40 turns and radius 0.5 m surrounds a long solenoid of radius 0.1 m and n=800 turns per meter in Figure. The current in the solenoid changes as ?0 = 4? −3? . (a) Find the induced emf in the coil as a function of time. (b) Find the mutual-inductance of solenoid.The current in an inductor L = 250 mH varies according to I = 3.8 sin(80t) A. Find: %3D a) the induced emf at t 3.6 ms: 75.24 V b) the instantaneous power supplied to the inductor at t = 3.6 ms. 1.437 W
- The current in a 62 mH inductor changes with time as I = bt- at. With a = 6 A/s and b = the magnitude of the induced emf, E, at 6 A/s, find t = 0.7 s. Answer in units of V. At what time is the emf zero?Two solenoids A and B, spaced close to each other and sharing the same cylindrical axis, have 380 and 680 turns, respectively. A current of 2.00 A in solenoid A produces an average flux of 300 µWb through each turn of A and a flux of 90.0 µWb through each turn of B. (a) Calculate the mutual inductance of the two solenoids. mH (b) What is the inductance of A? mH (c) What is the magnitude of the emf that is induced in B when the current in A changes at the rate of 0.500 A/s? mVA 25-turn ideal solenoid has an inductance of (3.480x10^0) mH. When the solenoid carries a current of (6.4x10^0) A. What is the magnetic flux through each turn? Note: Answer in scientific notation using Wb.
- An 8 cm long solenoid has 71 windings and a circular cross section of radius a=1.4 cm. The solenoid goes through the center of a circular coil of wire with 40 windings and radius b=6 cm. The current in the circular coil changes according to i(t)=4t2+4.5t. What is the mutual inductance of the coil and solenoid? What is the magnitude of the emf induced in the solenoid at t=4 s?(a) If an inductor carrying a 1.95 A current stores an energy of 0.250 mJ, what is its inductance? Answer in mH (b) How much energy does the same inductor store if it carries a 3.1 A current? Answer in mJTwo solenoids are part of the spark coil of an automobile. When the current in one solenoid falls from 6.0 A to zero in 2.5 ms, an emf of 30 kV is induced in the other solenoid. What is the mutual inductance Mof the solenoids?