Two closely wound circular coils have the same number of turns, but one has twice the radius of the other. How are the selfinductances of the two coils related? Explain your reasoning.
Q: What is the source of self-inductance and back emf in a current-carrying loop? Remember, I do not…
A: Inductance is when the current of a circuit affects the magnetic field of another circuit.…
Q: Shown in the following figure is a long, straight wire and a single-turn rectangular loop, both of…
A:
Q: As shown is a graph of the induced emf versus time for a coil of N turns rotating with angular speed…
A: (a) According to Faraday’s law of electromagnetic induction, if there is a change in magnetic flux…
Q: The figure below shows a circular conducting loop moving toward a wire carrying a current to the…
A:
Q: At the instant a current of 0.20 A is flowing through a coil of wire, the energy stored in its…
A: Given, Current I=0.20A Magnetic field energy U=6.0×10-3J
Q: A solenoid of 786 turns has length 28.5cm and radius 14.2cm, and a second smaller solenoid of 138…
A: Concept: Mutual inductance: Transformers, motors, generators, and any other electrical component…
Q: The image below shows a simple version of an alternator which is a system that can produce an emf.…
A:
Q: At a certain instant the current flowing through a 5.8 H inductor is 3.1 A. The energy in the…
A: Given data The current flowing through the circuit is I = 3.1 A. The inductance of the inductor is…
Q: A square loop of wire with a small resistance is moved with constant speed from a field free region…
A: emf induced in the loop of changing magnetic field: According to Faraday's law of electromagnetic…
Q: In (Figure 1), R = 11.0 N and the battery emf is 6.30 V. With switch S2 open, switch S1 is closed.…
A: Let I(t) denote the current in the circuit as a function of time after switch S1 is opened. It is…
Q: Reference for Questions 7 and 8: A 0.100-m long solenoid has a radius of 0.050 m and 1.50 x 10…
A:
Q: Consult Multiple-Concept Example 11 for background material relating to this problem. A small rubber…
A:
Q: A long solenoid ‘S’ has ‘n’ turns per meter, with diameter ‘a’. At the centre of this coil, we place…
A: The varying magnetic field in the solenoid is given as: B1(t) = μonI(t)
Q: The speed of the magnet through the coil increased with drop height. Did the rate of change of…
A: We know, from faraday's law- and
Q: An infinitely long and thin wire carrying 10 A current is places on the Z-axis away from a…
A: Given that I= 10 A We have to calculate mutual inductance
Q: In the figure below, after switch S is closed at time t= 0, the emf of the source is automatically…
A:
Q: A 650-turn solenoid, 25 cm long, has a diameter of 2.2 cm. A 11-turn coil is wound tightly around…
A:
Q: A coil of 15 turns and radius 10.0cm surrounds a long radius of 1.90 cm and 1.00*10^3 turns/meter.…
A: Induced emf ε=-Ndϕdt=-NddtBA=-Nddtμ0nIA=-Nμ0nAdIdt=-Nμ0nAddt7.00sin120t=-154π×10-7 Hm1.00×103…
Q: A 600-turn solenoid is 0.55 m long and 4.2 cm in diameter. Inside the solenoid, a small (1.1 cm x…
A: Given that-Permeability, μ0= 4π×10-7 T.m/ADistance, d1= 4.2 cmNumber of turns of primary coil,…
Q: A long solenoid has a square cross-section with sides of length l, n turns per length has the z-axis…
A:
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: What is the mutual inductance (in nH) of these two loops of wire? Loop 2 d1 4d af Loop 1 2d Both…
A:
Q: Shown in the following figure is a long, straight wire and a single-turn rectangular loop, both of…
A: a) B=2πrμ0Ib) ϕ=4.16×10−7Ic) dtdI=9617967A/mExplanation:Step 1:Step 2:Step 3:
Q: A 21-turn circular coil of radius 4.40 cm and resistance 1.00 n is placed in a magnetic field…
A:
Q: Two coils are at fixed locations. When coil 1 has no current and the current in coil 2 increases at…
A:
Q: The problem below explores the basic principle behind electric motors, which we will discuss in…
A: Area of the loop, A = H×W = 59.6744 m² Current, I = 6.62 A Magnetic field, B = 5.03 T Number of…
Q: coil is connected in serie attery is applied across t 1 73 m aftor 1.80 nc
A: GivenR=10.2 kΩ=10.2×103 Ωε=58.7 VI=1.72 mA=1.72×10-3 At=4.8 ms=4.8×10-3 s
Q: The flexible loop in the figure below has a radius of 15 cm and is in a magnetic field of strength…
A: Magnitude of the induced emf is 37mV.Explanation:
Q: 42 : Figure shows a toroidal coil S, of a rectangular cross-section containing N loops. Its inner…
A: The toroidal coil is given as, S1. The inner radius of the toroidal coil is given as, a. The outer…
Q: The coil of an electric generator produces a maximum EMF of 55.00V when it is rotated at 330.0 RPM.…
A:
Q: Consider the circuit shown in the figure below, where L = 5.05 mH and R₂ = 440 02. The switch S can…
A: (a) The time constant of the circuit is given by the product of the inductance and the total…
Q: 7.5 cm long solenoid has 74 windings and a circular cross section of radius a=1.1 cm. The solenoid…
A:
Q: Suppose a 0.3 m long solenoid with cross-sectional area of 12 cm 2, N 1 = 1400 turns and N 2 = 20…
A:
Q: Consult Multiple-Concept Example 11 for background material relating to this problem. A small rubber…
A: Solution:-
Q: A long solenoid radius 2.16 m is wound with 20.5 turns/m and carries a current that changes at the…
A:
Q: Two coils are at fixed locations. When coil 1 has no current and the current in coil 2 increases at…
A:
Q: A brushless DC motor does not have a commutator. Explain why.
A: A brushless DC motor or BDLC is a type of motor that does not have a commutator.
Q: Coil A is a large 1000 turn circular coil of radius 68.0 cm. Circular coil B has 200 turns, a radius…
A: The given values are,
Two closely wound circular coils have the same number of turns, but one has twice the radius of the other. How are the selfinductances of the two coils related? Explain your reasoning.
Step by step
Solved in 2 steps