Understanding the Velocity Selector

What is the main purpose of subscribing to the channel as mentioned in the video?

• To access exclusive content

• To support the channel financially

• To participate in live sessions

• To receive notifications for new videos

What is the potential difference across the plates in the velocity selector setup?

• 1500 volts

• 500 volts

• 2000 volts

• 1000 volts

How is the electric field strength calculated in the video?

• By dividing voltage by distance

• By multiplying voltage and distance

• By adding voltage and distance

• By subtracting distance from voltage

Which rule is used to determine the direction of the magnetic field?

• Right-hand rule

• Ampere's rule

• Left-hand rule

• Fleming's rule

What is the calculated magnetic field strength in the video?

• 1.2 x 10^-3 teslas

• 2.5 x 10^-3 teslas

• 3.0 x 10^-3 teslas

• 4.0 x 10^-3 teslas

What is the charge of a proton used in the force calculations?

• 2.0 x 10^-19 coulombs

• 1.6 x 10^-19 coulombs

• 2.0 x 10^-18 coulombs

• 1.6 x 10^-18 coulombs

What happens to the Lorentz force if the velocity of the proton is increased?

• It increases

• It decreases

• It remains the same

• It becomes zero

How does replacing the proton with an electron affect the path of the particle?

• The electron will not pass through

• The electron will be deflected downwards

• The electron will pass through unaffected

• The electron will be deflected upwards

What is the main difference between a proton and an electron as discussed in the video?

• Their charge

• Their velocity

• Their spin

• Their mass

What rule is used to confirm the orientation of the magnetic field for an electron?

• Fleming's rule

• Left-hand rule

• Right-hand rule

• Ampere's rule