Consider a conductive bar sliding on a pair of parallel conducting rails with a uniform perpendicular magnetic field passing through. Suppose the induced e.m.f. E=1.0V when the bar is sliding with speed of v=1 m/s. What would be the induced e.m.f. if you double the speed?

Q: A wire 60.0 cm long is held parallel to and 100 cm above a long wire carrying 200 A and resting on…

A: Given data:    Length,L = 60 cm     Current, I = 200 A    Time, t = 0.200 s

Q: The radius of a perfectly conducting metal loop is r (m), situated in the x-y plane and centered at…

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Q: In Figure P19.3, assume in each case the velocity vector shownis replaced with a wire carrying a…

A: Use the right hand-thumb rule to find the direction of the magnetic field.Right hand rule: Consider…

Q: A straight conductor moves with uniform velocity of 10 m/s at right angles to the magnetic field of…

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Q: A conducting strip of unknown width is moving at a speed of 0.33 m/s through a uniform magnetic…

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Q: 27. A metal rod of length L=45.00 cm is pulled upward with constant velocity v = 8.00 m/s through a…

A: Given Length of rod is L=0.45 m Constant velocity is v=8.00 m/s Magnetic field is B=0.300 T

Q: 14. A solenoid with 8000 turns produces a magnetic field of 0.4T in its center when a current of 12A…

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Q: The magnetic flux through a loop of resistance 0.12 is varying according to the relation = 6t² +7t +…

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Q: electron in a cathode ray tube has a kinetic energy of 102 eV and moves in a direction perpendicular…

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Q: The potential difference between parallel plates shown is instantaneously increasing at a rate of 5…

A: Given, Separation between the plate d = 0.6 cm = 0.6 x 10-2 m Area A = 0.36 m2   We know the…

Q: C. A dc machine with 8 loops rotor -without parallel current path- exists in a magnetic field of 4…

A: Given that,Number of loops= No. of turns=8No. of Conductors, Z=2× No. of turns=2×8=16B= 5TWhere r is…

Q: A straight conductor of length ?l moves with an acceleration ?=0.1a=0.1 ms-2 at the right angle to…

A: The given data are: a=0.1 m/s2B=11.1 Tϵ=5 Vt=20 s Here, a denotes the acceleration,  ϵ denotes the…

Q: constant electric flux of 1800 Volt-meters passes through the center of a loop of wire whose…

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Q: Consider the Hall voltage induced on a patient’s heart while being scanned by an MRI unit.…

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Q: 4. Three copper frames are dragged through an external magnetic field in the direction s shown. The…

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Q: 3. Suppose some aliens are firing a strong, uniform magnetic field straight down towards R.…

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Q: 2) A circular loop of radius 65cm rotates within a uniform 0.34T magnetic field. loop's normal…

A: Given Data:Radius of the loop, r = 65cm = 0.65m, so the area of the loop, A = πr² =…

Q: Consider a conducting rod of length 28 cm moving along a path of rails, and a magnetic field…

A: Given- Length of rod d=28 cm=0.28 m  EMF V= 1.25V Magnetic field B=1.3 T

Q: A wire 60.0 cm long is held parallel to and 100 cm above a long wire carrying 100 A and resting on…

A: Given :A wire 60.0 cm long is held parallel to and 100 cm above a long wire  carrying 100 A and…

Q: The wheel with 10 metallic spokes each of 0.5 m long rotated with a speed of 120 rpm in a plane…

A: We have to determine the induced emf  between axel and the rim of wheel. Given Data is, No. of…

Q: A straight wire with length of 28 cm sweeps across a 0.80 T magnetic field with a speed of 1.3 m/s.…

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Q: 1. A metal rod of length L is pulled upward with constant velocity v through a uniform magnetic…

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Q: A capacitor C= 25.0 µF is connected to two long parallel conducting rails L = 0.333 m apart. A…

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Q: A wire 60.0 cm long is held parallel to and 100 cm above a long wire carrying 200 A and resting on…

A: Given, Length of wire is, L = 60 cm=0.6m height o wire, ho = 100cm=1m, current flowing through the…

Q: (L11) A thin 0.120 m copper rod on the x-y plane and parallel to the x axis moves with a constant…

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Q: 4. A circular conducting wire of radius a and resistance R is located on the ry plane (z = 0). The…

A: Given value of magnetic field B=B0sin(ωt)i +B0sin(ωt)j +2B0sin(ωt)k Resistance = R Radius of circle…

Q: A long solenoid has a radius of 4 cm and has 800 turns/m. If the current in the solenoid is…

A: Given data: The radius of solenoid is r=4 cm. The number of turns is N=800 turns/m. The rate of…

Q: A square, single turn coil of length 0.02-m is placed with its plane perpendicular to a constant…

A: length (l) = 0.02 m emf induced (E) = 18 mV = 0.018 Vrate of decrease of magnetic field = dAdt = 0.1…

Q: A long solenoid has a radius of 4 cm and has 800 turns/m. If the current in the solenoid is…

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Q: Question 4: A 1000-turn coil of wire 1.0 cm in diameter is in a magnetic field that increases from…

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Q: The armature of a small generator consists of a flat, square coil with 120 turns and sides with a…

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Q: Conductor slides without friction with speed V on two parallel rails connected to power supply.…

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Q: A square conducting loop moves with a constant velocity v and passes through a uniform magnetic…

A: we have to use the Lens's law here.

Q: A straight conductor of length / moves with an acceleration a = 0.1 ms2 at the right angle to the…

A: Magnetic field ( B ) = 11.9 T Acceleration ( a ) = 0.1 ms-2   Time ( t ) = 20 s  Voltage ( V ) = 5 V

Q: Problem 10: A charge g = 7.04E-18 C moves with velocity v = v, k= 1500 k m/s in a uniform electric…

A: Part a &bFE→=qE→=7.04×10-18C(Exi^)=7.04×10-18C(45i^ V/m)=316.8×10-18N=3.17×10-16NPart…

Q: ·A coil of 2000 turns, each of area 0.02m is kept in a uniform field of magnetic induction 4 x 10T,…

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Q: A 8.00-cm-long wire is pulled along a U-shaped conducting rail in a perpendicular magnetic field.…

A: The length of the wire is The resistance of the wire is The  speed of the wire is The power…

Q: The conductor of length 10 cm moves with a uniform velocity of 5 m/s at right angles to a magnetic…

A: To find-Magnetic induction (B)=?Given-Length of conductor (l)=10 cml=10-1 mVelocity (V)=5 m/sInduced…