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 proton (carrying a positive charge) travels with speed 2.5x105 m/s to the right and enters between…

A: AIM: To determine the strength and direction of the magnetic field applied to a given system. GIVEN:…

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

A: Answer  option(d)246.42 uV/m

Q: 4 Ex/14: The metal rod 1 m long rotates about its one end in a plane at right angles to a horizontal…

A: To find-Induced emf (e)=?Given-length of rod (l)=1 mFrequency (n)=100 rpsMagnetic induction…

Q: A pair of parallel conducting rails that are separated by a distance d-0.2 m lies at a right angle…

A: Given:Distance between the conducting rails: d=0.2 mMagnetic field: B=0.8 TResistance of the…

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

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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: The induced magnetic field at radial distance 6.6 mm from the central axis of a circular…

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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: 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: 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…

A:

Q: Ex/14: The metal rod 1 m long rotates about its one end in a plane at right angles to a horizontal…

A: To find-Induced emf (e)=?Given-length of rod (l)=1 mFrequency (n)=100 rpsMagnetic induction…

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…

A:

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: Radius= 4 cm Number of turns= 800 turns/m Rate is 21.4 A/s

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: The wire has a length of 60 cm. Let L=60 cm. The long wire carrying a current of 100 A, will produce…

Q: What is the peak emf (in kV) generated by a 0.230 m radius, 520-turn coil that is rotated one-fourth…

A: Given that-Radius, R=r=  0.230 mTurns, N= 520Magnetic field, B= 0.425 TFrequency,…

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: (8c30p31) A metal rod is forced to move with constant velocity = 75.0 cm/s along two parallel metal…

A: Solution: Given: v = constant velocity of rod = 75.0 cm/s = 0.750 m/s B = magnetic field (out of…

Q: An electron of kinetic energy 5.4 keV moves in a circular orbit perpendicular to a magnetic field of…

A:

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

A:

Q: An electromagnetic rail gun uses magnetic forces to launch projectiles. (Figure 1) shows a…

A: Thank you

Q: Consider two protons trapped on the same geomagnetic field line.  One proton has kinetic energy 10…

A:

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 circular loop in the plane of a paper lies in a 0.65 T magnetic field pointing into the paper. The…

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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 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…