A UHF television loop antenna has a diameter of 11 cm. The magnetic field of a TV signal is normal to the plane of the loop and, at one instant of time, its magnitude is changing at the rate 0.16 T/s. The magnetic field is uniform. What emf is induced in the antenna?

Q: The induced magnetic field at radial distance 4.7 mm from the central axis of a circular…

A: The equation for the induced magnetic field is given by,

Q: A single loop of steel wire, lying flat in a plane, has an area of 8.60 cm2 and a resistance of 1.80…

A: Given :- area A= 8.60 cm 2 = 8.6 * 10-4 m2  resistance  R= 1.80Ω B = 0.500 T in 1.10 sec magnitude…

Q: When a car drives through the Earth's magnetic field, an emf is induced in its vertical 50-cm-long−5…

A:

Q: A single loop of steel wire, lying flat in a plane, has an area of 7.80 cm2 and a resistance of 2.10…

A: Answer is given below:  Explanation:Question 1:Answer:

Q: An automobile with a radio antenna 1.0 m long generates an emf, V1, since it is traveling at 100.0…

A: Solution: Given: L1 = initial length of antenna = 1.0 m v1 = initial speed of automobile = 100.0…

Q: A flat, square coil of 20 turns that has sides of length 15.0 cm is rotating in a magnetic field of…

A: Given Number of turn is N=20 One side of square is 15.0cm=0.15m Area of square coil A=(0.15)2…

Q: A small helium-neon laser emits red visible light with a power of 5.40 mW in a beam of diameter 2.10…

A:

Q: A flat, square coil of 20 turns that has sides of length 15.0 cm is rotating in a magnetic field of…

A: number of turns, N = 20  side, a = 15 cm = 0.15 m magnetic field, B = 0.05 T  maximum emf, eo = 30…

Q: How much energy is transported across a 0.25 m² area per hour by an EM wave whose E field has a max…

A:

Q: A 151 turn circular coil of radius 2.23 cm is immersed in a uniform magnetic field that is…

A: number of turns = N = 151 Radius = r = 2.23 cm = 0.0223 m time interval = dt = 0.117 s increase in…

Q: You create your very own electric generator using a big horseshoe magnet and a 13 cm by 13 cm square…

A: (a) Expression for rate of change of magnetic flux dϕ(t)dt is given as:…

Q: A coil with 20 turns of wire is wrapped around a tube with a cross-sectional area of 1.0 m2. A…

A:

Q: An airplane flies north in a magnetic field pointing 30° down from north. The emf induced between…

A: Given that:- Velocity of airplane=175m/s along north Length of span=30m

Q: The intensity of the Earth's magnetic field near the equator is 35.0 UT. A circular coil with 42…

A: Given: The strength of the magnetic field is 35 μT. The number of turns is 42. The radius of the…

Q: A 12.0-cm diameter loop of wire is initially oriented perpendicular to a 1.5 T magnetic field. Then,…

A:

Q: A conductor is formed into a loop that encloses an area of 1.0 m2. The loop is oriented at a 30.0°…

A: According to Faraday's Law, EMF induced by a varying magnetic flux is given by, E = -dφdt  Now, the…

Q: A jet airplane with a 75.0 m wingspan is flying at 295 m/s. What emf is induced between the wing…

A: Given: L = 75 m v = 295 m/s B = 3*10^-5 T

Q: An MRI technician moves her hand from a region of very low magnetic field strength into an MRI…

A: Given         Initial magnetic field = 0 T          final magnetic field = 2 T          diameter =…

Q: A wire loop with an area of 1.4×10−2 m2 is in a magnetic field of 0.36 T directed at a angle 30 to…

A: given: A = 1.4*10-2 m2 B = 0.36 T angle θ = 300 ∆t = 36 ms = 36*10-3 s

Q: A dish antenna with a diameter of 20.0 m receives (at normal incidence) a radio signal from a…

A:

Q: A 28.6-meter-long spacecraft flies past a neutron star, and passes through the neutron star s…

A: concept here, we are using the concept of induced emf  (i) The rate of change of magnetic flux is…

Q: a flat circular coil with 150 turns, a radius of 6.00 * 10^-2 m, and a resistance of 0.30 is exposed…

A:

Q: A fixed 17.4-cm-diameter wire coil is perpendicular to a magnetic field 0.56 T pointing up. In 0.29…

A:

Q: An electromagnet is turned on to produce a magnetic field that stabilizes at 3 T after 0.5 s. A…

A: Field, B = 3 T Time, t = 0.5 s Radius, r = 0.1 m Number of turn, N = 1

Q: A wire loop with an area equal to 0.05 m² moves in a generator where the magnetic field is 0.40 T.…

A:

Q: A low-frequency radio wave is oscillating at a rate of 60 MHz with a peak electric field of 120 N/C.…

A: We will calculate the amplitude of the magnetic field using the electric field amplitude,

Q: An automobile with a radio antenna 1.0 m long travels at 100.0 km/h in a location where the Earth’s…

A:

Q: A loop of area 225 cm2 has 24 turns of wire. It is in a magnetic field of strength 3.6 x 10-2 T. To…

A:

Q: An electromagnetic coil with L = 200 mH carries a current that varies with time according to I(t) =…

A:

Q: A helicopter has blades with a length of L=4 m. They are in the Earth's magnetic field, which is B =…

A:

Q: A circular loop of wire lies in a plane perpendicular to a magnetic field. The magnetic field has a…

A: Write the given value with the suitable variables. B1=1.3 Tr=18 cm=0.18 mR=3.2 ΩΔt=1 sB2=2B1=21.3…

Q: A scalloped hammerhead shark swims at a steady speed of 1.0 m/sm/s with its 83 cm -cm-wide head…

A: Given: The velocity of hammerhead shark (v) = 1.0 m/s Length of hammerhead (L) = 83 cm. the magnetic…