1. The electric field lines must begin on positive charges (or infinity) and end on negative charges (or infinity). b) F

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1 The Electric Field Lines Must Begin On Positive Charges Or Infinity And End On Negative Charges Or Infinity B F 1 (98.71 KiB) Viewed 91 times

1 The Electric Field Lines Must Begin On Positive Charges Or Infinity And End On Negative Charges Or Infinity B F 2 (110.67 KiB) Viewed 91 times

1. The electric field lines must begin on positive charges (or infinity) and end on negative charges (or infinity). b) False a) True 2. The electric field lines can cross a) True b) False 3. As we move away from the charge, the density of electric field lines decreases. 2) True b) False 4. The electric field direction at point P in space is outward from Q and inward toward +Q. a) True b) False 5. All periodic waves can be constructed from sine waves. A) True b) False 6. The period and frequency are reciprocals each other a) True b) False 7. The amplitude of sine wave is only measured between from the center to the maximum points on the waveform a) True b) False 8. The SI unit of the Electric field is a) N/C b) N/m C) NC d) Nm 9. The SI unit of the coulomb constant is a) Nm²/C b) Nm /c? c) NC/m? d) Nm/c? The total electric field along the line of the two charges 9. = -5 uC and 92 = 7 uc, as shown in the figure at the point midway between them, since the distance between the two chares is 2 m. a) 18x10' N/C b) 108x10'N/C C) 36x10' N/C d) 4.5*10' N/C
11. The electric field is a) Base Quantity b) Derived Quantity c) Scalar Quantity d) Derived Vector Quantity 12. The electric potential is a) Base Quantity b) Derived Quantity c) Derived Scalar Quantity d) Vector Quantity 13. The electric potential due several point charges is on the form a) V = K 6) V = Κ Σ. c) AV = K9C) d) V = Ē.F in n=1 14. The electric force is a) Base Quantity b) Derived Vector Quantity c) Scalar Quantity d) Vector Quantity 15. The relationship between electric potential and electric field is a) V = K b) V=K en In n=1 C) AV = Ka(d) V = Ē.F - 16. The relationship between electric potential energy deference and electric potential deference is a) U = q V b) V=qU c) AU = q AV d) AV = q AU 17. A particle moves from the rest by initial velocity 20 m/s; and stopped after 40 sec from movement, so is the displacement of moving is a) Ax = 400 m b) Ax = 800 m c) Ax = 0 m d) Ar = 200 m = 18. If you know that the work is given by the equation W = F.7 = F ||7| cos 8, then the case that the work becomes maximum is a) F1! b) F c) File d) otherwise 19. The relationship between electric force and electric field is a) F = E/9 b) F =qE c) Ē = F/4. d) E = F/4. 20. If you know that the electric potential is given by; V = Ē.2 = 1E || | cos 8, then the case that the electric potential becomes minimum is a) Ele b) E// c) Elle d) otherwise