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A charge is passing through a static magnetic field. The velocity of the charge makes a 30o angle with the field. The force exerted by the magnetic field does work on the charge.

Respuesta :

Answer:

False

Explanation:

As we know that force due to magnetic filed on the charge given as

F= q B V cosθ

q=Charge

B=magnetic filed

V=Velocity

Given that magnetic filed is static it means that the only direction of velocity will change but the magnitude of the velocity will remain same.

We know that kinetic energy given as

KE= 1/2 m V²

If initial and final velocity is same then

ΔKE= 0

So we can say that given statement is false.

onyebuchinnaji

The magnetic force exerted by the field on the charge is 0.5qvB.

The given parameters;

  • velocity of the charge = v
  • angle between the field and the velocity of the charge = 30⁰

The magnetic force exerted by the field on the charge is calculated as follows;

F = qvBsin(θ)

where;

  • F is the force exerted by the field
  • q is the magnitude of the charge
  • B is the magnetic field strength
  • θ is the angle between the field and the velocity of the charge

F = qvBsin(30)

F = 0.5qvB

Thus, the magnetic force exerted by the field on the charge is 0.5qvB.

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