# physics

A square coil of side 0.5 m is placed with its plane perpendicular to the direction of the magnetic field. What is the flux change in the coil if the magnetic field changes from 0.1 Tesla to 0.5 Tesla?
a. 0.1 Weber
b. 0.2 Weber
c. 0.8 Weber
d. 1.6 Weber

the area is 0.5*0.5 but im stuck

1. 👍 0
2. 👎 0
3. 👁 382

## Similar Questions

1. ### Physics - Electromagnetism

A square loop (length along one side = 20 cm) rotates in a constant magnetic field which has a magnitude of 2.0 T. At an instant when the angle between the field and the normal to the plane of the loop is equal to 20 and

asked by Robert on August 12, 2012
2. ### Physics

A 39-turn circular coil of radius 3.20 cm and resistance 1.00 Ω is placed in a magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies in time according to the expression B =

asked by Chris on March 3, 2015
3. ### Physics

A 500-turn circular coil with an area of 0.050 0 m2 is mounted on a rotating frame that turns at a rate of 20.0 rad/s in the presence of a 0.050 0-T uniform magnetic field that is perpendicular to the axis of rotation. What is the

asked by Muzammil on April 6, 2013
4. ### physics...PLZ HELP! =)

A constant force acts on a moving object. The object makes a fixed magnitude of displacement in some direction. In general, in what direction is the displacement that will result in the object traveling with the least kinetic

asked by Elizabeth on October 16, 2012
1. ### Physics

A closely wound rectangular coil of 80 turns has dimensions of 25 cm by 40 cm. The plane of the coil is rotated from a position where it makes an angle of 37 degrees with a magnetic field of 1.10 T to a position perpendicular to

asked by J on March 3, 2008
2. ### Physics

A coil is wrapped with 200 turns of wire on the perimeter of a square frame of sides 20.5 cm. Each turn has the same area, equal to that of the frame, and the total resistance of the coil is 2.01 Ω. A uniform magnetic field is

asked by Alisha on October 23, 2014
3. ### Physics

You have a wire of length L = 2.1 m for making a square coil of a dc motor. The current in the coil is I = 1.8 A, and the magnetic field of the motor has a magnitude of B = 0.32 T. Find the maximum torque exerted on the coil when

asked by Anonymous on February 25, 2013
4. ### physics

A jet plane is flying horizontally with a speed of 500 m/s over a hill that slopes upward with a 3% grade (i.e., the "rise" is 3% of the "run"). What is the component of the plane's velocity perpendicular to the ground? (Assume

asked by Soh on May 24, 2014
1. ### physics

A square, single-turn coil 0.20 m on a side is placed with its plane perpendicular to a constant magnetic field. And emf of 18mV is induced in the coil winding when the areas of the coil decreases at the rate of 0.10 m^2/s. What

asked by harvey--PLS HELP!! :) on May 6, 2019
2. ### Physics

A circular conducting coil with radius 3.40 cm is placed in a uniform magnetic field of 1.090 T with the plane of the coil perpendicular to the magnetic field. The coil is rotated 180° about the axis in 0.222 s. (a) What is the

asked by Alyssa on February 17, 2013
3. ### physics

A circular coil with a radius of 25 cm has 20 turns. The coil is oriented perpendicularly to a magnetic field whose initial magnitude is 3.2 T. Suddenly, the magnetic field vanishes in 0.4 s. a. What is the initial magnetic flux

asked by jim on August 26, 2013
4. ### physics

A 34.7 cm diameter coil consists of 20 turns of circular copper wire 1.50 mm in diameter. A uniform magnetic field, perpendicular to the plane of the coil, changes at a rate of 9.00E-3 T/s. Determine the current in the loop.

asked by VJC on October 18, 2010