June 2022 Physics Regents Questions 11-20 Question Preview (ID: 59780)

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Which particles exhibit properties of waves in some experiments?

a) photons, only

b) electrons, only

c) both photons and electrons

d) neither photons nor electrons

The direction of the electric field at a point in space is defined as the direction of the force exerted by the field on a

a) test mass located at that point

b) magnetic north pole located at that point

c) negative test charge located at that point

d) positive test charge located at that point

A net force of one newton will

a) accelerate a 1-kg mass at 1.0 m/s

b) accelerate a 1-kg mass at 9.8 m/s2

c) lift a l-kg mass vertically at a constant speed of 1.0 m/s

d) lift a 1-kg mass vertically at a constant speed of 9.8 m/s

The elongation of a spring will be quadrupled if the magnitude of the force elongating the spring is

a) quartered

b) halved

c) doubled

d) quadrupled

The displacement of the student from start to finish is

a) 1.40 km north

b) 1.40 km south

c) 5.00 km north

d) 5.00 km south

What spheres have static charges of the same sign?

a) A and B, only

b) A and C, only

c) B and C, only

d) A, B, and C

Two small charged spheres are located distance d from each other and experience an electrostatic force of attraction, Fe. If the magnitude of charge of each sphere is tripled and Fe is unchanged, what other change must have occurred?

a) The signs of both charges are changed.

b) The sign of only one charge is changed.

c) Distance d was increased by a factor of three.

d) Distance d was increased by a factor of nine.

Compared to the resistance of an aluminum wire at 20°C, the resistance of a tungsten wire of the same length and diameter at 20°C is approximately

a) the same

b) twice as great

c) one-half as great

d) four times as great

How much energy is expended when a current of 5.00 amperes is in a 5.00 ohm resistor for 5.00 seconds?

a) 25.0 J

b) 125 J

c) 625 J

d) 3130 J

The amount of electric current through an unknown resistor may be measured by connecting

a) an ammeter in series with the resistor

b) an ammeter in parallel with the resistor

c) a voltmeter in series with the resistor

d) a voltmeter in parallel with the resistor

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