Three particles travel through a region of space where the magnetic field is out

Question

Three particles travel through a region of space where the magnetic field is out of the page, as shown in the figure, what are the sings of the charges of these three particles? 1 is positive,2 is neutral, and 3 is negative. 1 is neutral,2 is negative, and 3 is positive. 1 is neutral, 2 is positive and 3 is negative. 1 is positive, 2 is negative, and 3 is neutral. 1 is negative,2 is neutral, and 3 is positive. If the primary coil of a transformer contains more loops than the secondary coil then it is a Step-up transformer. Step-down transformer. A charged particle that is moving in a static uniform magnetic field will always experience a magnetic force, regardless of its direction of motion. may experience a magnetic force which will cause its speed to change. may experience a magnetic force, but its speed will not change. None of the above statements are true. A vertical wire carries a current vertically downward. To the east of this wire, the magnetic field points. east down south north. The wire in the figure carries a current I that is increasing with time at a constant rate. The wire and the three loops are all in the same plane. What is true about the currents induced in each of the three loops shown? The currents are clockwise in all three loops. No current is induced in any loop. The current are counter clockwise in all three loops. Loop A has clockwise current, loop B has no induced current, and loop C has counter clockwise current. Loop A has counter clockwise current, loop B has no induced current, and loop C has clockwise current.

Explanation / Answer

28) E

29) B

30) D

31) C

32) D

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