. Which of the following statement is false about magnets and its interaction? Explain answer. A. Poles always come in pairs. B. Breaking a magnet in two yields to two isolated poles C. Like poles repel, opposite poles attract D. Either pole of a bar magnet attracts an unmagnetized object that contains iron. 2. Calculate the magnitude of the force experienced when a negatively
1. Which of the following statement is false about magnets and its interaction? Explain answer.
A. Poles always come in pairs.
B. Breaking a magnet in two yields to two isolated poles
C. Like poles repel, opposite poles attract
D. Either pole of a bar magnet attracts an unmagnetized object that contains iron.
2. Calculate the magnitude of the force experienced when a negatively-charged 5-C charge is moving at 10m/s under 5 N/C electric fields. The magnetic field of 5T is perpendicular to the direction of the electric field and velocity. What is the magnitude of the force experienced by the charge?
A. + 275N
B. - 275N
C. + 550N
D. - 550N
3. A charged particle moves through a region of space where both electric and magnetic fields are present. Which of the fields exert force on the charged particle? Explain answer.
A. Electric force only
B. Magnetic force only
C. Both electric force and magnetic force
D. None (electric and magnetic force will cancel each other)
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