What is the SI unit of magnetic field strength?
A) ampere
B) tesla
C) dipole
D) ohm
Correct Answer:
Verified
Q4: In the United States, alternating current goes
Q5: When a group of dipoles are aligned,
Q7: Rubber and glass are _.
A) semiconductors
B) conductors
C)
Q9: The charges on an electrified object are
Q11: Electrostatic force is _ proportional to the
Q12: Like charges _ and unlike charges _.
A)
Q13: Electrification occurs through the movement of _.
A)
Q16: An electric potential applied to a conductor
Q19: An alternating (AC) current is represented by
Q20: What is Ohm's law?
A) I = V/R
B)
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