10 Questions
What is the formula for the force experienced by a charged particle moving through a magnetic field?
𝑭 = 𝑞𝑣𝐵
Which formula represents the centripetal force acting on an object moving in a circular path?
𝑭 = 𝒎𝑣²r
What is the formula for magnetic flux?
F = 𝐵A
According to Faraday's Law, what does the induced emf depend on?
Change in magnetic field strength
What formula corresponds to lenz Law?
emf =(−N )(dt / dΦ )
In a transformer, what does the ratio $\frac{V_i}{V_o}$ represent?
Ratio of number of turns in the primary coil to number of turns in the secondary coil
What is the formula for the force acting on a current-carrying conductor in a magnetic field?
𝑭 = 𝑰𝒍𝑩
What is the formula for the root mean squared voltage in an alternating voltage system?
𝑽𝒓𝒎𝒔 = 𝑽0√2
Which of the following formulas is incorrect in relation to electromagnetics?
emf = ILQ
Which law states that the direction of the induced emf is always such as to oppose the change causing it?
Lenz's law
Test your knowledge on topics related to force on a current-carrying conductor, force on a charged particle in a magnetic field, centripetal force, magnetic flux, Faraday's Law, and induced emf in a solenoid.
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