Question

A fixed 19.7-cm-diameter wire coil is perpendicular to a magnetic field 0.57 T pointing up. In 0.25 s , the field is changed to 0.30 T pointing down. What is the average induced emf in the coil?

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Electromagnetic Induction

Related Physics Q&A

Find answers to questions asked by students like you.

Q: High-speed stroboscopic photographs show that the head of a 160-g golf club is traveling at 56 m/s j...

A: Given information:Mass of the club head (m1) = 160 g = 0.160 kgThe initial velocity of the club head...

Q: Below are shown a series of graphs associated with the motion of the mass and a series of physical q...

A: (a)Velocity of mass=B

Q: A uniform horizontal shelf of width L and mass m is held to a wall by a frictionless hinge and by a ...

A: Click to see the answer

Q: An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.00 ...

A: Since we only answer the first question, we’ll answer the first one. Please resubmit the question an...

Q: A bullet of mass m = 8.00 g is fired into a block of mass M = 190 g that is initially at rest at the...

A: Given:Mass of the bullet, m = 8 gMass of the gun, M = 190 gHeight of the table, h = 1 mLanding dista...

Q: A 8.90-kg hanging object is connected by a light, inextensible cord over a light, frictionless pulle...

A: The net horizontal force acting on the object mass m1 is,The net vertical force acting on the object...

Q: Which is correct about weight&mass is correct and why?

A: option (B) is correct.mass is defined as the amount of matter contained in the body or object. which...

Q: The electric potential in a region of space is V- 350V-m where a and y are in meters. V22+y2 Part A ...

A: Let E be the electric field, V be the potential at any point in xy-plane.Write the given values of q...

Q: 6.ab

A: The formula for the power in terms of current and potential difference is:

Q: Consider an object of mass m = 4 kg on a frictionless table. The object experiences a repulsive forc...

A: Given value:Mass of the object, m = 4 kgRepulsive force, F = a/x2 + b/x

Q: Physics Question

A: The system consists of the platform which is a disk, the person and the dog.

Q: Three resistors R1 = 87.6 Ω, R2 = 23.6 Ω, R3 = 70.0 Ω, and two batteries 1 = 40.0 V, and 2 = 359 V a...

A: (a)Redraw the circuit diagram as shown below:

Q: A wheel 33 cm in diameter accelerates uniformly from 245 rpm to 380 rpm in 6.4 s. How far will a poi...

A: Radius of the wheel,

Q: An estimated force vs. time curve for a baseball struck by a bat is shown in the figure below. FImax...

A: From the graph the impulse acted up on the ball is given by the area under the curve. In this case t...

Q: 10.0 kg and m2 Two packing crates of masses m = 7.30 kg are connected by a light string that passes ...

A: Here, the figure shows two packing crates of masses m1 and m2 are connected by a crate lies on a smo...

Q: What has more kinetic energy: a 500g cream pie flying at 15m/s or a 5kg bowling ball traveling at 5m...

A: Given information:

Q: a) Outline the 2 ideas Planck put forward to explain the black body radiation.b) Explain the concept...

A: (a) the wave theory of light explains the interference and diffraction relating to the propagation o...

Q: An astronaut lands on a planet that has the same mass at the Earth but twice the diameter. How would...

A: The gravitational field strength is given by

Q: An object, with mass 94 kg and speed 19 m/s relative to an observer, explodes into two pieces, one 5...

A: the big piece will have a mass of 5/6th that of the object.

Q: 28.66     The wire semicircles shown in Fig. P28.66 have radii a and b.  Calculate the net magnetic ...

A: The required magnitude of magnetic field is,

Q: While running, a person dissipates about 0.596 J of mechanical energy per step per kilogram of body ...

A: Power dissipation during the race is 71.0 W. it means that the energy dissipated per second is 71.0 ...

Q: The motor of a ski boat produces a power of 35400 W to maintain a constant speed of 12.0 m/s. To pul...

A: Given information:The power produced by the boat without the skier (Wb) = 35400 WThe velocity of the...

Q: Can a sound wave be polarized? If not, why not?

A: Only those waves which are transverse in nature can be polarized. i.e. Electromagnetic waves

Q: A uniform horizontal shelf of width L and mass m is held to a wall by a frictonless hinge and by a s...

A: The below figure represents the a uniform horizontal shelf of width L and mass m is held to a wall b...

Q: A 0.590 kg wooden block is spun around on a wooden table. The wooden block is being spun around on a...

A: Given information:

Q: A 2,000 kg car traveling due east at 45 mph collides completely inelastically with a 4,000 kg truck ...

A: Let m1, m2 be the masses of the car and truck respectively, v1 be the velocity of car, v2 be the vel...

Q: What is the net torque about on the bar shown in (Figure 1) about the axis indicated by the dot? Sup...

A: Write the expression for torque due to 8N force.

Q: The figure shows a uniform, 3.0-T magnetic field that is normal to the plane of a conducting, circul...

A: Click to see the answer

Q: A dragster starts from rest and accelerates down a track. Each tire has a radius of 0.320 m and roll...

A: a)Linear speed is,

Q: A). You push an object, initially at rest, across a frictionless floor with a constant force for a t...

A: (A)According to Newton’s second law of motion, the force exerted an object is,If the force is five t...

Q: 28.64     The long straight wire AB shown in Fig. P28.64 carries a current of 14.0 A.  The rectangul...

A: Click to see the answer

Q: 36. A truck is moving with S constant acceleration a up a hil that makes an angle with the horizonta...

A: The free body diagram for the truck moving uphill is as follows

Q: Three circuits are powered by identical batteries. Circuit A contains a 47 Ω resistor. Circuit B con...

A: Given information:The resistance in the circuit A (Ra) = 47 ΩThe resistance in the circuit B (Rb) = ...

Q: A uniform meterstick is in static rotational equilibrium when a mass of 220 g is suspended from the ...

A: Given,

Q: a roller coaster track is in the shape of the parabola y= 80 -(x^2/20), where the lengths are in met...

A: The vertical position causes the potential energy of the coaster car. Therefore, from conservation o...

Q: Junior throws his mashed potatoes onto his mother's lazy susan, which has a moment of inertia I. If ...

A: The initial angular momentum of potatoes = mvd,where, m is the mass of the potato, v is the horizont...

Q: A block of mass 2.50 kg is pulled 2.20 m along a frictionless horizontal table by aconstant 16.0 N f...

A: The figure is shown below:

Q: One charge of 2.0 C is 1.5m away from a –3.0 C charge. Determine the forcethey exert on each other.a...

A: We have q1 = 2C, q2 = – 3C and r = 1.5 m.

Q: The 10 kg mass has a velocity of 13 m/s at position 1 before coming to rest at position 2 a distance...

A: figure shows the given free body diagram.

Q: One of my homework problems asks this:   A non-conducting sphere of radius R = 9.0 cm carries a char...

A: Given values:Radius of non - conducting sphere, R = 9 cm.Charge on sphere, Q = 5.0 m CHere we would ...

Q: A 1,260-N crate is being pushed across a level floor at a constant speed by a force F of 270 N at an...

A: (a)In this case, the crate moves with constant speed.Friction force is equal to the force in horizon...

Q: An object of mass M hangs on a massless string of length 0.500 m attached to the ceiling. The object...

A: Figure shows the given question,

Q: A small cart with low friction wheels is attached to a sturdy wall with a high quality spring that h...

A: The formula for the time period of the oscillation is:

Q: In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.15 × 106 m/s. F...

A: The force acting on the electron is

Q: Review Ball A has a mass of 3 kg and is moving with a velocity of (vA), =9 m/s when it makes a direc...

A: (a)Apply the law of conservation of momentum

Q: What is the magnitude of the magnetic force on a charged particle ( Q = 5.0 p C) moving with a speed...

A: Given:Charge on the particle, Q = 5 uCSpeed of the particle, v = 80 km/sMagnetic field, Bx = 5 TBy =...

Q: need help w these two

A: The expression for the average force,

Q: Could you kindly solve this and let me know the answer?

A: The expression of the resultant vector is,

Q: The work done by a force acting normally to the direction of the displacement of theobject is(a) Zer...

A: Work done on an object along given direction of motion is equal to the force times the displacement ...

Q: A neutral metal sphere is touched to an identical sphere carrying a charge of +3.0 x 10-12 C. They a...

A: When a charged conducting body is allowed to be in contact with another neutral conducting body, Cha...