Q.4. (a) A uniform magnetic field B is perpendicular to the plane of a circular loop of diameter 10 cm formed from wire of diameter 2.5 mm and resistivity 1.69 x 10"Q.m. At what rate must the magnitude of B change to induce a 10 A current in the loop?

Q: A conducting bar with negligible resistance slides along twó parallel wires at a constant speed…

A: Given: Velocity,v=4m/sLength,L=0.25mResistance 1,R1=3ΩResistance 2,R2=5ΩMagnetic Field,B=2.50T It's…

Q: A long copper strip 1.8cm wide and 1.0mm thick is placed in a 1.2T magnetic field. When a steady…

A: Given: w =1.8 cm =1.8*10-2 mt = 1.0 mm =1.0 *10-3 mB=1.2 TI=15 A∆V=1.02 μV=1.02*10-6 V

Q: 3. Figure 3 shows a uniform magnetic field B confined to a cylindrical volume of radius R. The…

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Q: An electron, m = 9.109 × 10-31kg, at point A has a speed v, of 1.96 × 10®m/s. Find the magnitude of…

A: mass of electron = 9.109×10-31 kg va = 1.96×106 msdistance AB= diameter of the semicircular path d =…

Q: 1. A conducting bar with resistance R = 89.7 mN slides down two conducting rails that have no…

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Q: A horizontal rectangular surface has an area of 8.96 x 104 m? and is in a uniform magnetic field…

A: Data provided:  Area (A) = 8.96×10-4 m2 Angle = 30°, above the horizontal Magnetic field (B) = 6.0 T…

Q: 0.60-T magnetic field is directed perpendicular to the plane of a circular loop of radius 0.40 m.…

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Q: The force on a wire is a maximum of 5.16 N when placed between the pole faces of a magnet. The…

A: The maximum force on the wire when it is placed between pole faces of magnet, is The current is…

Q: the currents are in guration (panel b), parallel to each othe tho forco for each

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Q: What speed would a proton need to achieve in order to circle Earth 1200 km above the magnetic…

A: distance of proton above equator (d) = 1200 km Magnetic field (B) = 4.22×10-8 T mass of proton (m) =…

Q: The magnetic field perpendicular to a single 16.4 cm-diameter circular loop of copper wire decreases…

A: Given data : diameter of circular loop, D = 16.4 cm = 0.164 m initial magnetic field, B1 = 0.560 T…

Q: (a) What current through the coil results in a magnetic dipole moment of 3.5 A m²? 1= A (b) What is…

A: When a coil carries current it acts like magnetic dipole. When this dipole is placed in uniform…

Q: 3. A square coil (side = 4 cm) with 12 turns lies in the xy- plane. Its sides are parallel to the…

A: When a current carrying loop is kept in a magnetic field, it experiences a torque. This is because…

Q: A uniform magnetic field is perpendicular to a loop of radius 1 cm. Find the value of the magnetic…

A: Given, Radius of loop =1 cm magnetic flux = φ0

Q: D4

A: Given that,Side of square coil, a= 4 cmNo. of turns of coil, N= 12 turnsStrength of magnetic field…

Q: 4

A: Given that,Side of square coil, a= 4 cmNo. of turns of coil, N= 12 turnsStrength of magnetic field…

Q: When the current through a circular loop is 6.0 A, the magnetic field at its center is 2.0 × 10−4 T.…

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Q: A wire with radius 5 cm has a current of 7 A which is distributed uniformly through its cross…

A: Consider a wire having radius R and carrying total current itotal uniformly spread over the…

Q: A 65.1-cm-diameter coil consists of 20 turns of circular copper wire 8.67 mm in diameter. A uniform…

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Q: The force on a wire is a maximum of 4.03 N when placed between the pole faces of a magnet. The…

A:

Q: A straight conductor is moving with a velocity of 3 m/s at right angles to a magnetic field of…

A: To find-Length of a conductor (l)=?Given-v=3 m/sB=4.5×10-5 wb/m2e=1.35×10-4 V

Q: Certain experiments must be performed in the absence of any magnetic fields. Suppose such an…

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Q: A piece of copper wire has a resistance per unit length of 5.40 × 10³/m. The wire is wound into a…

A: Write the provided data.Here,  is the resistance per unit length, r is the radius, and V is the…

Q: A 4 m truck moves 120 km/hr in the road where the earth's magnetic field is 4.05 x 10-7T and…

A: Write the given values with the suitable variables. l=4 mv=120 km/hr=120×10003600 m/s=33.333…

Q: What is the magnitude of the current in the loop? Express your answer with the appropriate units.…

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Q: The magnetic field inside an air-filled solenoid 40 cm long and 3.0 cm in diameter is 0.64 T.…

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Q: In one of NASA's space tether experiments, a 20.0 km long conducting wire was deployed as a power…

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Q: d d I I xp Two wires are separated by distance d = 0.0356 m, and carry equal currents of 3.5 A in…

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Q: The magnetic field inside an air-filled solenoid 40.0 cm long and 3.00 cm in diameter is 0.535 T .…

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Q: An clectron enters a region of space containing a uniform 1.25 x 10-5T magnetic field. Its speed is…

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Q: Find the flux of Earth's magnetic field of magnitude 5.00 x 10-5 T through a square loop of area…

A: Answer:-  Given  Magnitude of magnetic field(B) = 5.00 × 10-5 T  Area = 40.0 cm2 = 40.0 × 10-4 m2…

Q: 4. A cylindrical ingot moves to the left at a constant speed (v) equal to 40.0 centimeters per…

A: speed (v) = 40 cmsec= 0.4msLength (L) = 20 cm = 0.2 mResistance (R) = 2 ohm magnetic field (B) = 0.5…

Q: A conducting bar of length L = 0.40 m rotates in a counterclockwise direction with a constant…

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Q: A conducting bar of length L = 0.40 m rotates in a counterclockwise direction with a constant…

A: Length of rod= 0.4 m Counterclock angular speed= 2 rad/s Magnetic Field = 7.5 T

Q: A conducting bar of length L = 0.40 m rotates in a counterclockwise direction with a constant…

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Q: You have a closed square loop of wire with length 44cm and a resistance of 750Ω. If there is a…

A: The induced emf in the loop is given by E=dϕdt=dB×Areadt=Area×dBdt

Q: A proton enters a region of uniform magnetic field with a velocity of v-7.00x100 m/s. If the proton…

A: Given, v = 7 x 106 m/s Radius r = 4.74 cm = 0.0474 m Mass of proton m = 1.673 x 10-27 Kg charge on…

Q: A) A constantan wire of length 10 m and having a cross sectional area 1.5x10-4 m² is converted into…

A: Below I have provided the solution of the given question

Q: n an electric motor, a coil with 131 turns of radius 2.20 cm can rotate between the poles of a…

A: