When a current of 60 mA is passed through the coil of a tangent galvanometer a deflection of 45°is noted. The galvanometer has 50 turn each of average radius of 8.8 cm. Find the value of horizontal component of the earth's magnetic induction Bµ.

Q: A jet plane is travelling towards west at a speed of 1800 km/h. What is the voltage difference…

A: Given-Speed of the jet plane, v=1800 km/h=500 m/sWing span of jet plane, l=25 mEarth's magnetic…

Q: To monitor the breathingof a hospital patient, athin belt is girded aroundthe patient’s chest as…

A: Given thatNumber of the turns of the coils (N) =200Magnitude of the Earth’s magnetic fields =…

Q: a)To make the solenoid, 1.0 mm diameter copper wire covered with a very thin layer of insulation is…

A: Given: Diameter of copper wire = 1 mm = 0.001 m Length of solenoid = 50 cm = 0.5 m Diameter of…

Q: when it flies at 1000 km/hr horizontally so as

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Q: In studies of the possibility of migrating birds using the Earth's magnetic field for navigation,…

A: Step 1:Step 2:Step 3:Step 4:

Q: In one of NASA’s space tether experiments, a 20.0-km-longconducting wire was deployed by the space…

A: Let the length of the conducting wire be denoted as l.Let the component of the Earth’s magnetic…

Q: Magnetic resonance imaging (MRI) is a medical technique for producing “pictures” of the interior of…

A: The given values are, A=0.032 m2Bi=1.5 TBf=0                      for vanish the fieldε=0.010 V

Q: A train travels at 7.7 m/s due east. Calculate the induced emf between the ends of a horizontal axle…

A: Given  Train travel at 7.7 m/s due east.  V = 7.7 m/s  Axle is ,7.9 m long,  L = 7.9 m  Earth…

Q: If an alternator coil is 13 cm in diameter and is spinning at 1150 revolutions per minute in a 0.13…

A: Using Faraday’s law, the emf induced is,

Q: A square circuit with sides of length ℓ = 0.30 m and R = 10 ? moves with a constant velocity v = 3.0…

A: When a closed circuit brings in a magnetic field or is close to the magnet so that the magnetic…

Q: A 16-cm-diameter circular loop of wire is placed in a 0.50-T magnetic field. (a) When the plane of…

A: Given:radius of circular loop, r=d2 = 8 cmApplied magnetic field, B =0.50 TSolution:We know that the…

Q: A cycle wheel has 10 spokes each of length 0.5 m long is rotated at a speed of 18 km/hr in a plane…

A: We had to compute- (a) Emf induced between the axle and the rim of cycle wheel (e1)=? (b) Emf…

Q: An airplane with a wingspan of 35 m travels at 95 m/s within Earth's magnetic field which is modeled…

A: Given B=25μT=25x10-6T L=35m v=95m/s

Q: Consider that the energy of the magnetic field inside a coil with a DC current is equal to 0.5 J.…

A: The DC current =0.5J  The magnetic flux through the coil 2.3Wb  To find the electric current flowing…

Q: The strength of poles of a bar magnet 20 cm long is 50 A-m. Find the magnetic induction at a point…

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Q: One hundred turns of (insulated) copper wire are wrapped around a wooden cylindrical core of…

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Q: Consider that the energy of the magnetic field inside a coil with a DC current is equal to 0.7 J.…

A: The given data are listed below with suitable variables. Here, E denotes the energy of the magnetic…

Q: (a) A nonferrous screwdriver is being used in a 2.00 T magnetic field. What maximum emf can be…

A: Given: magnetic field, B = 2 T  length, L = 12 cm = 0.12 m  velocity,v = 6 m/s

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 jet plane is travelling towards west at a speed of 1800 km/h. What is the voltage difference…

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Q: A 364 turn circular coil of diameter 70 cm is placed in the earth's magnetic field 0.47 G, such that…

A: Here given there are 364 turns of a coil with radius 70 cm..The magnetic field is 0.47 G.The current…

Q: (a) Define self and mutual induction. Give practical examples of both inductions. (b) A circular…

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Q: You are performing studies of the possibility of migrating birds using the Earth's magnetic field…

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Q: In the figure, a metal rod is forced to move with constant velocity along two parallel metal rails,…

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Q: A flashlight can be made that is powered by the inducedcurrent from a magnet moving through a coil…

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Q: A cycle wheel has 10 spokes each of length 0.5 m long is rotated at a speed of 18 km/hr in a plane…

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Q: What EMF would be induced for a Canada goose with a wingspread of 1.5 m flying 10 m/s in a region…

A: The motional emf is given by  e = B v L

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) A lightning bolt produces a rapidly varying magnetic field. If the bolt strikes the earth…

A: (a)

Q: Suppose you’re on your way to Europe on a plane with a wingspan of 73m at a speed of 950km/h. If the…

A: The induce emf is given by E=BverticalLv

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

A: We need to find- Induced emf (e)=? The data given as- l=1 m B=0.38 x 10-4 Wb/m2 n=720 rpm=72060=12…

Q: A metal rod TC meter long rotates about one of its ends in a plane perpendicular to a uniform…

A: To find-No. of revolutions made by the rod (n)=?Given-l=1πmB=5×10-3 wb/m2e=15×10-3Vt=60 secr=1π m