The area enclosed by a circular coil made of N= 200 turns of copper wire is 100 cm2. This coil is placed in the upwards uniform B magnetic field as shown in the figure below. The magnetic field changes smoothly from 0 T to 1 T in 4 s.

Q: Ex. 2: A straight conductor (rod) of length 0.4 m is rotated about one end at a constant 6280 rad/s…

A: Given,The length of the rod, l = 0.4 mThe angular frequency of rotation, ω=6280 rad/sThe uniform…

Q: The conducting bar in the figure below is 0.1 m long and moves to the right with a speed of 10 m/s…

A: Length (L) = 0.1 m speed (v) = 10 msMagnetic field strength (B) = 1.5 T

Q: A 105-turn square wire coil of area 0.040 m2 rotates about a vertical axis at 1,800 rev/min, as…

A: GIVEN,  area= 0.040 m^2 ω=1800 revmin*1min 60 sec×2π rad1 rev=188.5 red/sec   B=2.0 ✕ 10−5 T N=105

Q: For a conducting rod of U-shaped metal wire of length, I = 30m is connected to a lightbulb having a…

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Q: A coil consists of 80 turns of wire. Each turn is a square of side d = 40 cm, and a uniform magnetic…

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Q: In figure below, the magnetig flux through the circular loop of radius r = 1.8 m increases according…

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Q: Magnetic field strength in space as shown in the figure below.Find the emf induced in a square…

A: Given a magnetic field strength is :- H→=a→x900 sin106t-x+a→y900 sin107t-z+a→z500 cos6×107t-y

Q: A 5.0-cm-radius conducting loop with a resistance of 4.0 Ω is in the presence of a uniform magnetic…

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Q: A single turn coil of radius 5.00 cm is held in a vertical plane and a magnet is rapidly moved…

A: A single turn coil , n=1  Radius of coil = r= 5 cm = 0.05 m  B1= 0.040 T  B2= 0.025 T  t= 0.2 sec…

Q: The figure below shows a top view of a bar that can slide on two frictionless rails. The resistor is…

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Q: A wire loop of radius 12 cm and resistance 8.5 Q is located in a uniform magnetic field B that…

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Q: Consider the arrangement shown in the figure below. Assume R = 6.00 Ω and ℓ = 1.20 m, and a uniform…

A: Given information: Here, R is the resistance, l is the bar’s length, B is magnetic field applied…

Q: A single turn coil of radius 7.00 cm is held in a vertical plane and a magnet is rapidly moved…

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Q: Below is a closed conducting loop within a magnetic field (for direction see picture). The loop is a…

A: Radius of loop, r=17cm⇒0.17m Rate of change of magnetic field, dBdt=157mT/s⇒0.157T/s Number of…

Q: A conducting wire shaped in a “U shape” is connected to a  5 ohm light bulb. The 0.8 T external…

A: We have to know about a basic formula.

Q: A conducting facet (L = 10[cm]) moves to the right on two frictionless conducting rails, as shown in…

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Q: The magnetic field through a single loop of wire 12.0 cm in radius and of 7.5 Ω resistance changes…

A: Given that : radius of wire loop (r) = 12 cm = 0.12 m resistance (R) = 7.5 ohm  emf can be…

Q: Here you see a single loop of stiff wire, 10.0 cm on a side, immersed in a magnetic field of 0.225…

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Q: in the figure below, a square loop with 10 turns that is 10.0 cm on a side has a magnetic field…

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Q: The space to the right of the y axis in (Figure 1) contains a uniform magnetic field of unknown…

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Q: One simple, though impractical, way to generate electrical power is shown below. A bar of metal with…

A: Length of the rod = L = 15 cm velocity = v = 0.4 m/s Magnetic field = B = 0.75 T Angle between v and…

Q: A metal bar of length L = 2.8 m slides along two horizontal metal rails as shown in the figure…

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Q: The square conducting loop shown in the figure lies in the x-y plane. The loop is in a uniform…

A: Rate of decrease of magnetic field=dBdt=-5.9T/s Resistance offered by Loop=97.7Ω Length =3.4m

Q: Bin *Fapp (a) Calculate the applied force required to move the bar to the right at a constant speed…

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

A: In this question we have to find the emf induced in the coil for the given conditions. Please give…

Q: A 100-turn coil is rotating with a constant angular speed in a uniform magnetic field of 0.486 T…

A: Given, n=100 B= 0.486 T t=0s diameter of coil= 10 cm, r=5 cm=0.05 m R= 39.7 Ω

Q: The magnetic field through a single loop of wire 14.0 cm in radius and of 11.5 Ω resistance changes…

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Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.