Two coils are placed close together in a physics lab to demonstrate Faraday’s law of induction. A current of 5.50 A in one is switched off in 1.30 ms, inducing a 9.30 V emf in the other. What is their mutual inductance?

Q: A car generator turns at 480 rpm when the engine is idling. Its 240–turn, 4.40 by 8.00 cm…

A: Given the coil turns 480 rpm. The angular frequency of the coil ω=480…

Q: car generator turns at 380 rpm when the engine is idling. Its 310-turn, 6.00 by 8.00 cm rectangular…

A: the angular velocity of car generator,ω=380rpmthe number of turns,N=310turnsthe area of coil,A=6×8cm…

Q: Q1/ The self-inductance of a coil whose number of turns is N 500 = is L = 0.25. If 609 of the flux…

A: Given: N1=500 turnsL1=0.25 HN2=10,000 turnsφ2=60% φ1

Q: 1. For a long solenoid, we discovered in a problem-of-the-day that B = µ,nl, where n is the number…

A: (a)Consider l be the length of the solenoid.The expression for n in term of N, total number of terms…

Q: 10. A circular wire coil with 10 turns and radius 1.67 cm is placed in a uniform magnetic field of…

A: The number of turns in the wire coil: N = 10. The radius of the wire coil: r = 1.67 cm (0.0167 m).…

Q: Two coils are placed close together in a physics lab to demonstrate Faraday’s law of induction. A…

A: If mutual inductance M then current  in one coil I will causes the flux ϕ in another coil as  ϕ=MI…

Q: 2. An AC generator has 75 rectangular loops on its armature. Each loop is 15.0 cm long and 6.00 cm…

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Q: 3. The flexible loop in Figure 5 has a radius of 12.0 cm and is within a magnetic field of magnitude…

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Q: When a current flows through an inductor, its mass   Select one:

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Q: Two coils are placed close together in a physics lab to demonstrate Faraday's law of induction. A…

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Q: True or The SI unit of flux is the tesla while the SI unit of flux density is the weber.   True or…

A: Given: Various statements. To  Tell whether the statement is true or false.

Q: A coil has 20 turns each with an area of 1.5 x 10-3 m2. A magnetic field is perpendicular to the…

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Q: 1. Two coils are placed close together in a physics lab to demonstrate Faraday's law of induction. A…

A: The value of the current is 5.1 A. The time by which the current is switched off is 0.5 ms. The emf…

Q: A circular wire coil with 26 turns and radius 3.81 cm is placed in a uniform magnetic field of…

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Q: 2. An AC generator has 80 rectangular loops on its armature. Each loop is 14 cm long and 9 cm wide.…

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Q: 6. Two coils share a common axis as shown in the figure. The mutual inductance of this pair of coils…

A: Solution:-Given thatMutual inductance of this pair of coils (M)=6 mH=6×10-3 Hrate of change of…

Q: A car generator turns at 480 rpm when the engine is idling. Its 240–turn, 4.40 by 8.00 cm…

A: Number of turns (n) = 240 Area of rectangular coil (A) = 0.044×0.08 m2= 0.00352 m2angular velocity…

Q: 1. Two coils are placed close together in a physics lab to demonstrate Faraday's law of induction. A…

A: To calculate the mutual inductance, we can use Faraday's Law of Induction, which states that the…

Q: An emf of 24.0 mV is induced in a 500 turn coil at an instant when the current is 4.0 A and is…

A: The expression for find magnitude of Lis L=-εdIdt Substitute values in the above equation…

Q: he induced emf in the circuit.

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Q: 2. An AC generator has 75 rectangular loops on its armature. Each loop is 14.0 cm long and 10.0 cm…

A: Given: The number of rectangular loops on its amateur is 75. The length of the loop is 14.0 cm. The…

Q: 4. The magnetic field between the poles of the electromagnet is uniform at any time, but its…

A: Given : dB/dt = 0.01 T/s A = 1 m2 R = 10 Ω

Q: The self-induced emf in a loop opposes     a. the net resistance in loop     b. the inductance…

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Q: 4. Consider a square-shaped conducting coil with 75 turns of wire. Each turn of the wire has a…

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Q: Two coils are placed close together in a physics lab to demonstrate Faraday's law of induction. A…

A: Change on current, dI =8 A time, dt =2 ms  emf , e= 3 V

Q: A simple AC generator consists of 10 turns of coils with an area of 1000 cm2. It rotates at a…

A: Number of turns (N) = 10Area (A) = 1000 cm2= 0.1 m2Frequency (f) = 60 Hz Magnetic field strength (B)…

Q: 1. An AC generator has 85 rectangular loops on its armature. Each loop is 11 cm long and 8 cm wide.…

A: