Like magnetic poles attract each other and opposite magnetic poles repel each ot

Question

Like magnetic poles attract each other and opposite magnetic poles repel each other. True or False The magnetic pole in the northern hemisphere of the Earth is a "North" magnetic pole. True or False A charged particle that has a velocity in a direction that it perpendicular to a magnetic field will experience no net magnetic force. True or False The existence of magnetic has never been verified experimentally. True or False "An induced emf gives rise to a current whose magnetic field opposes the change in magnetic fax that produced it" is a statement of Lenz's Law. True or False A transformer that steps up the voltage steps down the current. True or False In a dc generator, a method must he employed in which the direction of the current through the conducting loops is reversed each half revolution of the motor. True or False The strength of the magnetic field through a solenoid can be determined from B = mu_0 NI/(2r). True or False

Explanation / Answer

Answers:

1) F (opposite is true)

2) F (opposite is true)

3) F (opposite is true)

4) T

5) T

6) T

7) F (applicable to motor)

8) T

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