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23. A student examines three rods P,Q and Rand tests to see if they charged. The results of the observations are: 1.) RodP and R repel each other. 2.) Rod P and rod Q attract each other. 3.) Rod Q and rod Rattract each other. The charges on rods P.Q and R could be a. Rec P(-), Rod Q(0) and Red R(+) b. Rec P(+), Rod Q(+) and Rod R(-) c. Rod Pl-), Rod Q(+), and Rod R(-) d. Rod P(+), Rod Q(0), and Rod R(+)

23. A student examines three rods P,Q and Rand tests to see if they charged. The results of the observations are: 1.) RodP and R repel each other. 2.) Rod P and rod Q attract each other. 3.) Rod Q and rod Rattract each other. The charges on rods P.Q and R could be a. Rec P(-), Rod Q(0) and Red R(+) b. Rec P(+), Rod Q(+) and Rod R(-) c. Rod Pl-), Rod Q(+), and Rod R(-) d. Rod P(+), Rod Q(0), and Rod R(+)

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23. A student examines three rods P,Q and R and tests to see if they charged. The results of the observations are: 1.) Rod P and R repel each other. 2.) Rod P and rod Q attract each other. 3.) Rod Q and rod R attract each other. The charges on rods P.Q and R could be a. Rcc P(-), Rod Q(0) and Red R(+) b. Rcc P(+), Rod Q(+) and Rod R(-) c. Rod P(-), Rod Q(+), and Rod R(-) d. Rod P(+), Rod Q(0), and Rod R(+) 24. In the triboelectric series of materials, the top in the list when rubbed with anything at the bottom of the list shall acquire the a. negative charge; it shall acquire electrons b. negative charge; it shall give off electrons C. positive charge; it shall give off electrons d. positive charge; it shall acquire electrons 25. An electric field is a region of space a. surrounding any charged objects b. points in the direction of net force on a positively charged particle c. points in the opposite direction of the force on a negatively charges particle d. any or all of the above 26. Electric field lines a. have the same pattern around a charged meta sphere as they do around a point b. leave negative charges and enter positive one C. are close together when F is work d. and far apart where E is strong
Transcribed Image Text:23. A student examines three rods P,Q and R and tests to see if they charged. The results of the observations are: 1.) Rod P and R repel each other. 2.) Rod P and rod Q attract each other. 3.) Rod Q and rod R attract each other. The charges on rods P.Q and R could be a. Rcc P(-), Rod Q(0) and Red R(+) b. Rcc P(+), Rod Q(+) and Rod R(-) c. Rod P(-), Rod Q(+), and Rod R(-) d. Rod P(+), Rod Q(0), and Rod R(+) 24. In the triboelectric series of materials, the top in the list when rubbed with anything at the bottom of the list shall acquire the a. negative charge; it shall acquire electrons b. negative charge; it shall give off electrons C. positive charge; it shall give off electrons d. positive charge; it shall acquire electrons 25. An electric field is a region of space a. surrounding any charged objects b. points in the direction of net force on a positively charged particle c. points in the opposite direction of the force on a negatively charges particle d. any or all of the above 26. Electric field lines a. have the same pattern around a charged meta sphere as they do around a point b. leave negative charges and enter positive one C. are close together when F is work d. and far apart where E is strong
19. The proton that makes up the nucleus of the hydrogen atom attracts the electron that orbits it. Relative to this force, the electron attracts the proton with a. more force b. maybe less or more force; depending on the number of nuclear proton c. less force d. the same amount of force 20. A negatively charged plastic rod is brought near a charged electroscope. The leaves initially converge; then they diverge when the rod moves close. The nature of the charge on the leaves of electroscope is a. positive changing to negative b. positive C. negative changing to positive d. negative 21. Object B, whose charge is -2g is at the right of object A whose charge is +q. If an electron will be placed halfway between them, what is the direction of the net force on it? a. towards A b. going up C. going down d. towards B 22. Object A, whose charge is +q is at the left of object B whose charge is -2q. 1 point where would an electron will be placed to be in equilibrium? a. between A and B b. to the left of A C. to the right of B d. either to +y or -y axis
Transcribed Image Text:19. The proton that makes up the nucleus of the hydrogen atom attracts the electron that orbits it. Relative to this force, the electron attracts the proton with a. more force b. maybe less or more force; depending on the number of nuclear proton c. less force d. the same amount of force 20. A negatively charged plastic rod is brought near a charged electroscope. The leaves initially converge; then they diverge when the rod moves close. The nature of the charge on the leaves of electroscope is a. positive changing to negative b. positive C. negative changing to positive d. negative 21. Object B, whose charge is -2g is at the right of object A whose charge is +q. If an electron will be placed halfway between them, what is the direction of the net force on it? a. towards A b. going up C. going down d. towards B 22. Object A, whose charge is +q is at the left of object B whose charge is -2q. 1 point where would an electron will be placed to be in equilibrium? a. between A and B b. to the left of A C. to the right of B d. either to +y or -y axis
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