An electric field
A) has strength, but not direction.
B) is present only around stationary electric charges.
C) is always present around an electron.
D) cannot exist unless a magnetic field is also present.
Correct Answer:
Verified
Q19: An object becomes positively charged by gaining
Q20: Thomas Edison argued that our electrical system
Q21: The rate of flow of electric charge
Q22: Consider an electrical transformer has 10
Q23: Which of the following unit is actually
Q25: Electric power is measured in units of
A)volts.
B)amps.
C)ohms.
D)watts.
Q26: Electrical resistance is a property of conductors
Q27: Ohm's law states
A)a relationship between voltage, current,
Q28: Consider an electrical transformer has 10
Q29: A magnetic field
A)is produced by an excess
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