24.0 24.0 V -5.00 cm-
Q: The coil in the figure carries current i = 2.35 A in the direction indicated, is parallel to an xz…
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Q: The coil in the figure carries current i = 2.48 A in the direction indicated, is parallel to an xz…
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Q: R = 8.50 Ω, ℓ = 1.40 m, and B = 2.75 T. At what constant speed (in m/s) should the bar be moved to…
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Q: The figure below shows a bar of mass m - 0.240 kg that can slide without friction on a pair of rails…
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A: Given, Resistance , R = 7.00 Ω Length or distance between rails ,l = 1.20 m Magnetic field = 2.50 T…
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Q: The coil in the figure carries current i = 2.15 A in the direction indicated, is parallel to an xz…
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Considering the system that appears in the figure, the wires are joined by means of two springs of elastic constant k. Then a small lower wire of m = 15g and ℓ = 5cm is placed that is attached to the two springs and these are stretched Δx = 0: 4cm by action of their weight. Subsequently, the
Current( I) in wire =V/R=24/12=2 Ampere
Now force due to magnetic field in wire will be upward from flaming's right hand rule
And will be equal to BIL
Where B is magnetic field,L is length of wire.
L=0.15 meter
Weight=15 g=0.015 Kg
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- The figure below shows a bar of mass m = 0.270 kg that can slide without friction on a pair of rails separated by a distance ℓ = 1.20 m and located on an inclined plane that makes an angle ? = 29.5° with respect to the ground. The resistance of the resistor is R = 3.30 Ω, and a uniform magnetic field of magnitude B = 0.500 T is directed downward, perpendicular to the ground, over the entire region through which the bar moves. With what constant speed v does the bar slide along the rails? m/sA bar slides to the right at a constant speed of 2.1 m/s on two frictionless rails. The resistance of resistor R is 5.2 Q, and a 2.5 T constant magnetic field is directed perpendicularly downward, into the page. Let e = 1.2 m. Bin x x app x x (a) Find the current passing through the resistor. A I = (b) The direction of magnetic force on the moving bar is O No magnetic force O Right O Left O Out of the page O Into the page 1 x x x X x x x x X X x x * * x x x * * x x x x x x xx X X x xA loop of wire with radius r= 0.183 m is in a magnetic field of magnitude B as shown in the figure. The magnetic field is perpendicular to the plane of the loop. B changes from B1= 0.22 T to B2= 7.5 T in Δt = 7.5 s at a constant rate. (a) Express the magnetic flux Φ going through a loop of radius r assuming a constant magnetic field B. (b) Express the change in the magnetic flux going through this loop, ΔΦ, in terms of B1, B2 and r. (c) Express the magnitude of the average induced electric field, E, induced in the loop in terms of ΔΦ, r and Δt.
- A conducting bar moves along frictionless conducting rails connected to a 40 resistor as shown in the figure. The length of the bar is 1.6 m and a uniform magnetic field of 2.2 T is applied perpendicular to the paper pointing outward, as shown. (a) What is the applied force required to move the bar to the right with a constant speed of 6 m/s? (b) At what rate is energy dissipated in the 4 2 resistor? 4.00 1.60 m Ω "applied Magnetic field is outward (•) (a) 37.2 N (b) 224 W (a) 9.3 N (b) 56 W (a) 18.6 N (b) 56 Ww (a) 18.6 N (b) 112 w (a) 9.3 N (b) 112 w wwwA solenoid in your car is 36 cm long and has a diameter of 7.9 cm. It is made of copper wire with a radius of 0.50 mm. The turns are closely packed and form a single layer. Assume the resistivity of copper is 1.68 ✕ 10−8 Ω · m. (a) When the solenoid is connected to your battery with E = 11.6 V, what is the magnetic field inside the solenoid? (Enter the magnitude.) TA square wire loop (side length 1.5 m) is oriented so that it is perpendicular to an external magnetic field B, with half the area of the loop embedded in the field, as shown below. The loop contains a battery with a constant emf Eb = 7.2 V and a resistor R = 3.2 Ω. The external magnetic field is B(t) = [0.027 T − (0.56 T/s) t] î where î is out of the page. (a) Findtheemfproducedbyinductionintheloop. (b) Findthenetcurrentintheloopfromboththeinducedemfandthebattery. (c) What direction is the current in? (a) Findtheemfproducedbyinductionintheloop. (b) Findthenetcurrentintheloopfromboththeinducedemfandthebattery. (c) What direction is the current in? (a) Find the emf produced by induction in the loop. (b) Find the net current in the loop from both the induced emf and the battery. (c) What direction is the current in?
- The square loop, of side 10 cm, at right is located in a 0.05 T uniform magnetic field pointing directly away from you as shown. Over what time interval should the X X X X X X X magnetic field be reduced to zero in order to supply the 6 V needed to light the light bulb? (Recall the definition of magnetic flux.) X X х х X х хSodium ions (Na+) move at 0.854 m/s through a bloodstream in the arm of a person standing near a large magnet. The magnetic field has a strength of 0.255 T and makes an angle of 47.0° with the motion of the sodium ions. The arm contains 115 cm3 of blood with 3.50 ✕ 1020 Na+ ions per cubic centimeter. If no other ions were present in the arm, what would be the magnetic force on the arm?The figure below shows a bar of mass m = 0.240 kg that can slide without friction on a pair of rails separated by a distance { = 1.20 m and located on an inclined plane that makes an angle e = 35.0° with respect to the ground. The resistance of the resistor is R = 1.50 N and a uniform magnetic field of magnitude B = 0.500 T is directed downward, perpendicular to the ground, over the entire region through which the bar moves. With what constant speed v does the bar slide along the rails? m/s