Abeam of protons is directed in a straight line along the positive z ‑direction through a region of space in which there are crossed electric and magnetic fields. if the electric field magnitude is =410 v/m in the negative y ‑direction and the protons move at a constant speed of =9.1×105 m/s, what must the direction and magnitude of the magnetic field be in order for the beam of protons to continue undeflected along its straight-line tra

The direction should be in the positive x direction.

Explanation:

Given that

Electric filed E= 410 V/m  (In Negative y direction)

V= 9.1 x 10 ⁵ m/s

As we know that

F= E q + q.V x B

Given that protons is moving constant speed so ,F=0

F= E q +q. V x B

0= E + V x B

E  = -V x B

- 410 j = - ( 9.1 x 10 ⁵ k x B i)

The direction should be in the positive x direction.

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.

  the unit of the measure =

explanation:

  the property that is quantified by the energy needed per of material to raise the temperature by one.

  si unit of energy = joule (j)

  si unit of temperature = kelvin (k)

  si unit of mass of material = kilogram (kg)

the property that is quantified by the energy needed per of material to raise the temperature by one is called specific heat.

the unit of specific heat is