Calculate the magnitude of the induced emf when a magnet is thrust into the coil, given the following information: the single loop coil has a radius of 5.00 cm and the average value of B cos θ (this is given, since the bar magnet’s field is complex) increases from 0.0400 T to 0.240 T in 0.100

Q: A 21.7 turn conductive loop encloses an area of 0.44m2. At what constant rate should the magnetic…

A: we know that emf e=NadB/dt

Q: Suppose a 46 turn coil lies in the plane of the page in a uniform magnetic field that is directed…

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Q: A circular coil of radius 12.5 cm is located in a region of magnetic field where  B(t) = (+0.3…

A: It is given that,

Q: The maximum value of the emf in the primary coil (Np = 1200) of a transformer is 165 V. (a) What is…

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Q: Given M  = 3 î + ĵ − 4k̂  and  N= 3 î − 4 ĵ −k̂ , calculate the vector product  M ✕ N.

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Q: A 22-turn circular coil of radius 3.20 cm and resistance 1.00 is placed in a magnetic field directed…

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Q: induced emf (in volts) in the 15-turn coil as a function of time.

A: We know that,  ε=-dϕdt......Faraday's lawwhere, ϕ is magnetic flux ε is induced emfThis law gives us…

Q: circular coil with a diameter of 13 cm is made up of thin wire wound into 450 turns. It is placed in…

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Q: A coil with 20 turns of wire is wrapped on a frame with a square cross section 2.00 cm on a side.…

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Q: A long solenoid with n=18 turns per centimeter has a cross-sectional area of 3.0cm^2, and carries a…

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Q: Assuming a magnetic field changes uniformly from 0.700 T to 0.400 T in the next 1.200 s. If the coil…

A: Given data ∆B=0.3 T∆t=1.2 secN=50A=1 m2R=0.35Ω

Q: In a 230-turn automobile alternator, the magnetic flux in each turn is 0-2.50 x 10 cos ut, where is…

A: part(a) Determine the induced emf in the alternator as a function of time.  part(b) Determine the…

Q: A 50-turn coil has a diameter of 15 cm. The coil is placed in a spatially uniform magnetic field of…

A: Given  No. Of turns on coil n = 50 Diameter of coil d = 15 cm Magnetic field B = 0.5 T Angle plane…

Q: The current through a N = 175-turn coil with cross-sectional area, A = 0.0424 m², is decreasing at a…

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Q: A coil of 15 turns and radius 10.0 cm surrounds a long solenoid of radius 1.80 cm and 1.00 x 103…

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Q: The maximum value of the emf in the primary coil (Np = 1500) of a transformer is 125 V. (a) What is…

A: Np = 1500 Ns = 600 Vp = 125 V

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: A 36-turn circular coil of radius 3.60 cm and resistance 1.00 2 is placed in a magnetic field…

A: Given: Number of turns, N = 36 Radius of the coil, r = 3.60 cm = 0.036 m Resistance of the coil, R =…

Q: A 60 turn coil has a diameter of 17cm. The coil is placed in a spatially magnetic field of magnitude…

A: We have to use some basic formula here.

Q: A closely wound 0.20 m × 0.20 m square coil of 100 turns is exposed to an external magnetic field of…

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Q: A 28-turn circular coil of radius 4.20 cm and resistance 1.00 N is placed in a magnetic field…

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Q: A circular coil of radius 8.0 cm and 20 turns is rotated about its vertical diameter with an angular…

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Q: A 31-turn circular coil of radius 3.60 cm and resistance 1.00 O is placed in a magnetic field…

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Q: A long solenoid has n = 410 turns per meter and carries a current given by I= 27.0(1-e-1.60), where…

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Q: The average magnetic field inside a flat coil of area A with N turns around which a current i flows…

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Q: There is a coil that has 200 turns. It has a radius of 6cm. The coil is exposed to a magnetic feild…

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Q: A 21-turn circular coil of radius 3.00 cm and resistance 1.00 N is placed in a magnetic field…

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Q: 26-turn circular coil of radius 4.20 cm and resistance 1.00 2 is placed in a magnetic field directed…

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Q: A 26-turn circular coil of radius 3.80 cm and resistance 1.00 Ω is placed in a magnetic field…

A: the induced emf is, ε=NdBAdtε=NAdBdtε=Nπr2dBdt

Q: A coil consists of 25 loops of wire and has a diameter of 10 cm. Its resistance is 0.1Ω. At t=0 it…

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Q: If the current in a 160-mH coil changes steadily from 25.0A to 10.0A in 350 ms, what is the…

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Q: Two coils are wound around the same cylindrical form,like the coils . When the current in the first…

A: Given: Rate of change in coil 1 is di1dt=0.242As. Emf induced in the second coil is ε2=1.65×10-3V.…

Q: A long solenoid (cross-sectional area = 0.98 x 106 m², number of turns per unit length=2789 turns/m)…

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Q: Suppose the base unit of an inductive charger produces a 1.20×10^-3 T magnetic field. Varying this…

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Q: A 20-turn circular coil of radius 3.20 cm and resistance 1.00 2 is placed in a magnetic field…

A: Given that,                           Number of turns, N = 20                    Radius of circular…

Q: A 26-turn circular coil of radius 3.40 cm and resistance 1.00 Ω is placed in a magnetic field…

A: When a conducting closed loop is placed in an external changing magnetic field, the magnetic flux…

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: A magnetic field of 0.21 T exists in the region enclosed by a solenoid that has 239 turns and a…

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Q: = The magnetic flux through the loop increases according to the relation B 6.0t² + 7.0t as show in…

A: Given : Magnetic flux = 6 t2 + 7t  Find : magnitude of induced emf at t= 2 s

Q: A 65 turn, 10.0 cm diameter coil rotates at an angular velocity of 8.00 rad/s in a 1.40 T field,…

A: Answer:-  Given  Magnetic field (B) = 1.40 T  Diameter (d) = 10 cm  Radius (r) = 10/2 = 5 cm = 0.05…

Q: Suppose the base unit of an inductive charger produces a 1.50×10^-3 T magnetic field. Varying this…

A: The given magnetic field has a magnitude B=1.5×10-3 T This magnetic field passes through a circular…

Q: Suppose the base unit of an inductive charger produces a 1.10×10^-3 T magnetic field. Varying this…

A: The electric field may be thought of as an electric property associated with every place in space…

Q: An electrical generator consists of a circular coil of wire of radius 2.50 cm and with 20 turns in…

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Q: X ス メx ×

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Q: An electrical generator consists of a circular coil of wire of radius 2.50 cm and with 20 turns in…

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Voltage Across Inductor

An actor is a passive electrical component that consists of a coil bent in the form of wire which uses electromagnetism to produce electric current through the coil. When the electric current flows through a conductor that is the coil, a magnetic flux is developed around the conductor. This flow of current through the coil creates a magnetic field based on Fleming's Right-hand thumb rule. If there is any decrease in the current passing through the inductor, then the magnetic field will also decrease and energy is released through the generation of electric current. There is also a secondary voltage inducing in the same coil due to the magnetic flux, since it opposes any changes in the electric current flowing through the circuit. An inductor is also called choke, coil, or solenoid. A choke is designed to block certain frequencies when the DC current passes. A winding coil is coated with insulation to give extra insulation and protect the circuit. They are usually tightly wrapped around a central core which is cylindrical in nature so that the magnetic flux can be induced. The solenoid is a three-dimension coil that is used to exhibit electromagnetism when the magnetic field is developed due to the current flowing through the coil. The sign convention of the inductor is the same as the power dissipating device. When the current flows into the positive side of the voltage across the inductor, the value is positive and the inductor dissipates power whereas when the inductor releases the power back to the circuit, the current has a negative sign convention.