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ELECTROMAGNETIC INDUCTION
Q1. A horizontal straight wire 10 m long extending from east to west is falling with a speed of 5.0 m s-1, at right angles to the horizontal component of the earth's magnetic field, 0.30 × 10-4 Wb m-2.(a) What is the instantaneous value of the emf induced in the wire?(b) What is the direction of the emf?(c) Which end of the wire is at the higher electrical potential?
Q2. A 100 Ω resistor is connected to a 220 V, 50 Hz ac supply.(a) What is the rms value of current in the circuit?(b) What is the net power consumed over a full cycle?
Q3.(a)The peak voltage of an ac supply is 300 V. What is the rms voltage?(b) The rms value of current in an ac circuit is 10 A. What is the peak current?
Q4. A 44 mH inductor is connected to 220 V, 50 Hz ac supply. Determine the rms value of the current in the circuit.
A voltage of 20.0 V is applied across the two ends of a Tungsten wire with a temperature coefficient of resistivity of 4.50×10-3 1/K. determine the power dissipated by the wire
A 25 g bullet strikes and becomes embedded in a 1.35 kg block of wood placed on a horizontalsurface just in front of the gun. what was the muzzle speed of the bullet
A beam of light traveling in air strikes a slab of transparent material. The incident beam makes an angle of 40 degree with the normal, Obtain the speed of light in the transparent material
on average an electric water heater operates for 1.7 h each day. it has a power requirement of 4500 w and a current
one component of a magnetic field has a magnitude of 0.0262 t and points along the x axis while the other component has
Calculate the positron and electron beam energy needed to create a Higgs boson (mass 125GeV) in the CMS system
Determine the mass of the earth knowing that the mean radius of the moon's orbit about the earth is 238,910 miles and that the moon requires 27.32 days to complete one full revolution about the earth.
Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 1.40 m. obtain the magnitude of the initial acceleration of the third sphere
There are two answers required for this question. A rocket is fired straight up and accelerates upward at 12 m/s2 for 18 seconds. find the package's speed when it hits the ground
A bacterium using its flagellum as propulsion can move through liquids at a rate of 0.003 m/s. For a 50-m long bacterium, that is the equivalent of 60 cell lengths per second. What is the average magnitude of this viscous force
Light with a frequency of 5.8E14 Hz travels in a block of glass that has an index of refraction 0f 1.52. What is the wavelength of the light in both the vacuum and the glass
A 2110-kg space station orbits Earth at an altitude of 485000 m. Find the magnitude of the force with which the space station attracts Earth
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