Electricity and Magnetism Answers

A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength Of sound the bat makes, if bat's emit a chirp at a frequency of 6.00 × 10⁴ Hz, and if the speed of sound in air is 343m/s, what is the smallest insect a bat can detect?

Three equal positive charge of 10 statC are located at the vertices of an equilateral triangle of 2cm leg. What is the magnitude of the force acting on each charge.

How will the UK's electricity demand change in the future?

A beam consisting of a mixture of two positive ions of different masses pass rightward through a magnetic field pointing out of the plane of the page, and impinge on a screen placed to the right. The screen shows two dots placed one below the other. Which dot corresponds to the heavier ion and why?

3. The figure shows a charge +q and another charge -q fixed at points A and B separated by a distance of 10.0 cm. If q = 2 µC, calculate a. The electric potential at point P
b. The electric potential at point Q
c. The work done to bring a charge of 5 µC from P to Q.

what is the electric potential 1.0m m assuming that the potential is zero at r=infinite

Two infinitely parallel plates have charges 1.6 microcoulomb per meter square and 2 microcoulomb per meter square if they are arranged close to each other what is the electric field
( A ) in the region outside the plates
(B) in between the page

Determine the electric potential at a point P which is 2.00 m from a point charge of -5.00µC.

The magnetic field unit:__() or __( )=__

Determine the magnitude and direction of the magnetic force on a proton
moving to the north at 8.6 x 104 m/s, as it enters a magnetic field of 1.2 T,
pointing vertically up, out of the page.
(the arrow is towards north)