A 40-turn circular coil (radius = 4.0 cm, total resistance = 0.20 W) is placed in a uniform magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies with time as given by B = 50 sin(10 pt) mT where t is measured in s. What is the magnitude of the induced current in the coil at 0.10 s?
a. 50 mA
b. 1.6 A
c. 0.32 A
d. zero
e. 0.80 A
B
You might also like to view...
Slanting Surfaces Without Friction: A system consisting of blocks, a light frictionless pulley, a frictionless incline, and very light connecting wires is shown in the figure. The wires pull on the left-hand blocks parallel to the surface of the ramp. The 9.0-kg block accelerates downward when the system is released gently from rest.(a) What is the magnitude of the acceleration of the 9.0-kg block?(b) What is the tension in the wire connecting the two blocks on the incline?
What will be an ideal response?
Excessive force must be intentional.
Indicate whether the statement is true or false
A 1200. kg ferryboat is moving south at 20. m/s. Its momentum is
A) 1.7 × 10-3 N?s B) 2.4 × 103 kg?m/s C) 1.2 × 103 kg?m/s D) 24. kN?s E) 6.0 × 102 kg?m/s
A perfectly black body at 100°C emits light of intensity I that has the strongest intensity near wavelength ?
The temperature of this body is now increased to 200°C. (a) In terms of I, what is the intensity at which this hotter body radiates? (b) In terms of ?, near what wavelength does light radiated from this hotter body have the strongest intensity?