A Physicist Claims That She Has Found a New Particle

question 20

Multiple Choice

A physicist claims that she has found a new particle with a mass 200 000 times the mass of the proton (1.67 × 10−²⁷ kg) and a charge of 3.20 × 10−¹⁹ C. If she is correct, such a particle traveling in a circle in a uniform 5.00 T magnetic field at a velocity of 2 500 m/s will have a radius of

• A) 0.261 m.
• B) 0.522 m.
• C) 1.04 m.
• D) 3.27 m.
• E) 3.13 × 10²⁶ m.

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Definitions:

Motor Starter Contactor

An electromechanical switch used to control the power supply to a motor, providing safe start and stop operations.

Motor Load Current

The current drawn by an electric motor under specific load conditions, indicative of the power it is using to perform its function.

Inverse Time-Delay

Refers to a characteristic of protective devices where the time to trip decreases as the magnitude of the current increases.

Overload Current

The flow of electricity exceeding the normal operating current, potentially causing overheating or damage to electrical components.