A conducting wire 20 cm long bent into rectangular loop 6 cm × 4 cm is placed (kept) perpendicular to the magnetic field of induction 0.5 T. Within 0.ls, the loop is changed to a square and magnetic induction is increased to 1T, what will be the e.m.f. induced in the wire?

Q: . A rod of length 1 is rotated with angular speed o about its one end perpendicular to a magnetic…

A: We need to compute-Induced emf e=?The data given as-Length of rod=lAngular speed=ωMagnetic field=B

Q: A very tong hollow cylindrical coil with across- Sectional area of 7ocm and the number oe turns Per…

A: Energy stored in a coil = (1/2) LI2  L = self inductance I = instantaneous current

Q: If a very small loop of current produces a magnetic field of strength B at a distance z away from…

A: The formula for magnetic field on a point  at distance z from the loop is  B=μ0IR22z2+R232

Q: What is the magnetic induction of the field if in the conductor of length 2 cm in which the current…

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Q: ne so = 0.40w/s Razisn 3. A square coil of wire (36.0 cm long on each side with 50 loops) moves at a…

A: Given:length of 1 side of the coil, L = 0.36 mtotal loops, n = 50velocity of the coil, v = 0.40…

Q: wire loop with a resistance of 2.5 ohms and a radius of 0.255m is places in a magnetic field that…

A: Given resistance of wire = 2.5 ohms radius of wire =  0.255 m  B(t)=0.25e^(-.5t) We have to…

Q: A bar of iron is said to be saturated once most of its magnectic molecular are aligned whereby…

A: 1) FALSE , saturation is the state where increasing the magnetomotive force stops affecting the…

Q: A coil carrying electric current is placed in uniform magnetic field with the angle 0. Then a.…

A: When a current carrying coil is placed in a uniform magnetic field, then magnetic moment is…

Q: The distance between the wingtips of an aircraft is 40m. Find the e.m.f. induced between the…

A: The induced emf is given by  ε=Blv it is given that  B=4×10-5 wb/m2l=40 mv=1000 km/hr=277.78 m/s

Q: The magnetic field in the figure is changing in strength. As a result, on the shown loop of area…

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Q: Kh-1M. For the Fig. shown the of the angle of the compass is 45° with respect to the earth magnetic…

A: Given data The angle of the compass is θ=45° The magnitude of the current in the loop is I = 7.5 mA…

Q: The magnitude of the magnetic field at the center of a 35-turn loop of wire is 2.1 x 10-6 T.…

A: Given data: The number of turns is n=35. The magnetic field is B=2.1x10-6 The radius of loop is…

Q: What is the magnetic induction at the Yentre of a T.G. coil of 50 turns of average radius 10 cm,…

A: We have given Number of turns N = 50  Radius r = 10 cm               r = 0.1 m  Current i = 0.35 A…

Q: A metal rod 1 m long rotates about one end in the plane perpendicular to a uniform magnetic field of…

A: Given : Length of the rod, l = 1 m Magnetic field induction, B = 0.38×10-4 Wb/m2 (or T) Because 1 T…

Q: The circular loop with a radius of 12cm seen in the figure is in a uniform magnetic field of 0.15T…

A: The circular loop initially has a radius of 12 cm, thus a diameter of 24 cm and is kept in a 0.15 T…

Q: A football quarterback, to obtain good grades while strengthening his throwing arm, is asked to…

A: when a coil of N turn is rotated in a magnetic field then EMF generated in the coil is expressed as…

Q: The magnetic field generated by the current ; the center of the coil equal to: 2π-10-6 T 2π-10-7 T…

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Q: Calculate the magnetic induction, B, of a wire that carries a current of 100 amps, at a distance of…

A:

Q: The magnitude of the applied magnetic field in an MRI machine is 2.20 T at the patient's head. The…

A: Given data- dBdh=0.05 T/mat the head, B=2.20 TLarmor frequency is given by,f=e4πmBwhere,B=magnetic…

Q: A wire of resistance 0.50 ohms forms a loop of area 7.85*10^5 m^2, andthen is placed in a uniform…

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Q: A loop of wire initially oriented perpendicular to a magnetic field is 1.5 T. if is then rotated…

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Q: Icoil formed by wrapping Go turns 4 wire in the Shape of a square is positioned in a magnetic field…

A: Given: The number of turns is 60.             The angle between normal to the plane of the coil and…

Q: 1) A 300-turns circular loop of radius 38 cm, carries a current of 22 A creates a torque of 400 N m…

A:

Q: If a Palmieri circle (see figure) formed by N coils of area is rotated with an angular velocity W an…

A:

Q: The topic of this is physics about electromagnetism (physics) How many turns should a coil with a…

A: Concept used: Faraday's law of electromagnetic induction is used.

Q: A conducting crossbar is in electrical contact with two vertical conducting wires and slides down…

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Q: suppose a circular coil of wire has 750turns, diameter=35cm, current=30mA. asume that it was…

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Q: A flexible circular loop of radius 10 cm lies in a magnetic field of 4 T. It is oriented so that its…

A: The magnitude of the induced emf in the loop is, ε=∆ϕ∆t=∆ABcosθ∆t=πr22-πr12Bcosθt2-t1

Q: 1) A 375-turns square loop of 34 cm on a side, carrying a current of 22 A creates a torque of 265 N…

A: As per guideline we are suppose to do only 1 question from multiple unrelated questions. So kindly…

Q: A metal rod of length 1 m is rótated about one of its ends in a plane at right angles to a uniform…

A: