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Questions and Answers
What is the formula for the force experienced by a charged particle moving through a magnetic field?
What is the formula for the force experienced by a charged particle moving through a magnetic field?
- 𝑭 = 𝑞𝑙𝑟
- 𝑭 = 𝑞𝑣w
- 𝑭 = 𝑞𝑣𝐵 (correct)
- 𝑭 = 𝑞𝑙𝐵
Which formula represents the centripetal force acting on an object moving in a circular path?
Which formula represents the centripetal force acting on an object moving in a circular path?
- 𝑭 = 𝒎𝑣²l
- 𝑭 = 𝑚𝑎r
- 𝑭 = 𝒎𝑙²r
- 𝑭 = 𝒎𝑣²r (correct)
What is the formula for magnetic flux?
What is the formula for magnetic flux?
- F = 𝐵A/V
- F = 𝐵A (correct)
- F = 𝐵rA
- F = 𝐵V
According to Faraday's Law, what does the induced emf depend on?
According to Faraday's Law, what does the induced emf depend on?
What formula corresponds to lenz Law?
What formula corresponds to lenz Law?
In a transformer, what does the ratio $\frac{V_i}{V_o}$ represent?
In a transformer, what does the ratio $\frac{V_i}{V_o}$ represent?
What is the formula for the force acting on a current-carrying conductor in a magnetic field?
What is the formula for the force acting on a current-carrying conductor in a magnetic field?
What is the formula for the root mean squared voltage in an alternating voltage system?
What is the formula for the root mean squared voltage in an alternating voltage system?
Which of the following formulas is incorrect in relation to electromagnetics?
Which of the following formulas is incorrect in relation to electromagnetics?
Which law states that the direction of the induced emf is always such as to oppose the change causing it?
Which law states that the direction of the induced emf is always such as to oppose the change causing it?