A current is changing at the rate of 5A/s in one coil, induces an e.m.f. of 4v in the neighbouring coil. Calculate the coefficient of mutual inductance between the coils.
Q: Suppose that a rectangular toroid has 1500 windings and a self-inductance of 0.04 H. If the height…
A: Given : Number of turns, N= 1500 Self Inductance, L =0.04 H Height , h = 0.08 m Energy stored , U=…
Q: A 6 pole DC wave wound generator has 26 armature conductors with flux per pole is 21 mWb and the…
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Q: A toroidal coil has a mean radius of 16 cm and a cross-sectional area of 0.25 cm2; it is wound…
A: The radius of the coil is given as, R=16 cm=0.16 m, The cross-sectional area of the coil is given…
Q: What are the (b) inductance and (c) flux through each turn when the current is increased to 6.55 mA?…
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Q: When the current in one coil changes at a rate of 5.6 A/s an emf of 6.3 × 10-3 is induced in a…
A: From question-Change in current, dIdt= 5.6 A/sand, ε=6.3×10-3 V
Q: The switch S is closed at t = 0. Which statements about the following RL circuit are true? (Assume a…
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Q: Suppose that a rectangular toroid has 2,000 windings and a self-inductance of 0.060 H. If the height…
A: The energy stored in an inductor is, U=12LI2
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: As shown in the figure below, current flows upward through the inductor. If the current generates an…
A: The bottom side develops higher potential. Current moves in the upward direction.
Q: A 200-loop circular armature coil with a diameter of14.0 cm rotates at150 rev/s in a uniform…
A: Given: Loop of circular armature coil is 200 Revolution is 150 rev/s Magnetic field is 0.24 T
Q: A coil with a self-inductance of 2.0 H carries a current that varies with time according to /(t) =…
A: The induced voltage across an inductor with inductance L conducting a current of I(t) is given by,…
Q: a current of 3.3 A creates a flux of 160micro Wb in a coil of 317 turns. calculate the induced emf…
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Q: Ex. 65 : When a 100 volt. D.C. is applied across a coil, a current of 1 amp flows through it. When a…
A: To find-(1) Resistance of coil (2) Inductance of coilGiven-E=D.C. voltage=100 VI=1 AErms=100 VF=50…
Q: The magnetic flux through each turn of a 210-turn coil is given by B = 9.25 x 10-³ sin(at), where is…
A: Given: The number of turns is 210. The magnetic flux is. ϕB=9.25×10-3sinωt…
Q: Suppose that a rectangular toroid has 2000 windings and a self-inductance of 0.040 H. If h = 0.10 m,…
A: Given data : No. Of winding in toroid N = 2000 Inductance L = 0.040 H rectangular height h =…
Q: A coil is connected in series with a 14.4 kQ resistor. An ideal 64.8 V battery is applied across the…
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Q: The current passing through a 0.40-H coil increases from 2.0 A to 10.0 A in 0.12 s. (a) Calculate…
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Q: An emf of 26.5 mV is induced in a 504 turn coil when the current is changing at a rate of 10.5 A/s.…
A: Given data *The given induced emf is E = 26.5 mV = 26.5 × 10-3 V *The number of turns in a coil is N…
Q: If the current in a 140 mH coil changes steadily from 22.0 A to 10.0 A in 450 ms , what is the…
A: Given data, Inductance L=140 mH Current 22 A-10 A Time t=450 ms
Q: why does a smple dc motor would have a non vanishing potential difference across the terminals as it…
A: DC Motor: A simple direct current motor consists of a stator with a stationary set of magnets and an…
Q: An inductor is built using a circular coil that is 0.50 m long, has a 10.0 cm radius, and consists…
A: (a)The self-inductance of the coil,
Q: Two coils close to each other have a mutual inductance of 23 mH. The current in one coil decays…
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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: The induced e.m.f. in a coil is 2.10 × 10-2 V when the current in it is changing at a rate of 7.00 x…
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Q: A 300 turns coil is cut perpendicular to the changing magnetic flux of 0 Wb to 50 mWb in 0.1 s. Find…
A: emf =enumber of turns= nchange in mag. flux=∆ϕchange in time= ∆t
Q: A conductor wire bent into a semicircle of radius of R = 3cm forms a closed circuit and carries…
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Q: A 150 turn coil of radius 2.0 cm and resistance 5.5 Q is coaxial with a solenoid of 220 turns/cm and…
A: Solenoid.
Q: Two 52-turn coils are magnetically coupled so that a 7.12-A current in one coil produces a magnetic…
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Q: Calculate the induced emf if the overall change of magnetic flux in a coil with 17 turns is 4.5 x…
A: When the magnetic flux changes with time, then it causes to induce an emf in a loop. Given(s):…
Q: A coll with 192 turns has a magnetic flux of 47.1 nT-m² through each turn when the current is 3.71…
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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: Self inductance of an inductor with toroidal geometry is 231 nH. The total number of turns of this…
A: Given data, Inductance of toroidal geometry L=231 mH. Total number of turns N = 16. Current flowing…
Q: A conducting copper coil flat in the xy-plane has 50 turns and a cross-sectional area of 0.070 m² so…
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Q: In the figure, a 100-turn coil of radius 2.1 cm and resistance 6.O Q is coaxial with a solenoid of…
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Q: A current 10 A in the primary of a transformer is reduced to zero at the uniform rate in 0.1 second.…
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Q: A coil with a self-inductance of 2.0 H carries a current that varies with time according to /(t) =…
A: Given that-Current, It= 2.0ASin120πtInductance, L= 2HEMF induced in the coil of…
Q: A coil of 15 turns and radius 10.0 cm surrounds a long solenoid of radius 2.40 cm and 1.00*103…
A: It is given that, the number of turns of the coil is N=15radius of the coil(r) =10 cm=0.1 mcurrent…
Q: A 90 mH inductor carries a current that varies with time according to the equation:
A: The I-V equation for an inductor is given by: V=LdIdtwhere,V is voltage across the inductorL is…
Q: Suppose a 0.3 m long solenoid with cross-sectional area of 12 cm 2, N 1 = 1400 turns and N 2 = 20…
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