4. A 1.65 nC charge with a mass of 1.5 x 10:15 kg experiences an acceleration of 6.33 x 10' m/s in an electric field. What is the magnitude of the electric field? A. 14.95 N/C B. 29.35 N/C C. 57.55 N/C D. 2.67 x 10-19 N/C

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Chapter1: Units, Trigonometry. And Vectors
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What is the force of attraction between the lone electron and proton in a hydrogen atom with an
average distance between them is 5.0 x 10 -1 m?
A. 10.2 x 108N
C. 9.6 x 10 -8N
D. 8.2 x 10 8 N
В. В. 9.2 х 10 *N
2. The electric field has a magnitude of 3.0 N/C at a distance of 30 cm from a point charge. What is the
charge?
A. 1.4 nC
В. 30 рC
C. 36 mC
D. 12 mC
3. What is the electric field strength at a point 50 cm from a charge q + 5.00 nC?
A. 180 N/C
B. 360 N/C
C. 540 N/C
D. 720 N/C
4. A 1.65 nC charge with a mass of 1.5 x 10:15 kg experiences an acceleration of 6.33 x 10' m/s in an
electric field. What is the magnitude of the electric field?
A. 14.95 N/C
B. 29.35 N/C
C. 57.55 N/C
D. 2.67 x 10-19 N/C
5. A uniform electric field is directed downward and has a magnitude of 5 N/C. Find the magnitude of
the force experienced by a charge of -6 C placed in this field.
А. 30 N
В.-1 N
C. -5/6 N
D. 11 N
6. A car battery uses 20 A for 10 s to start the engine. How many electrons pass during this time interval?
C. 1.3 x 10 -21 electrons
D. 1.25 x 102 electrons
A. 200 electrons
B. B. 1.6 x 10-19 electrons
7 - 8. While repairing an electric bulb socket, an electrician gets mild shock when a current of 0.0050 A
passes through him. The same electrician was killed by a current of 0.15 A when he turned on an
electric bulb while taking a bath. The voltage in each situation is equal to 120 V. Find the resistance of
the electrician in each situation.
C. 24000 2 and 800 2
D. 4.7 x 10 and 1.25 x 10
A. 0.6 Q and 18 2
B. 0.155 and 774.2 2
9-10. Three resistors of 2.0 0, 3.0 2, and 4.0 2 are connected in (a) series and (b) parallel. Find the
equivalent resistance in each case.
A. 24 and82
C. 10.2 Q and 1.92 2
B. 9Q and 0.92 2
D. 24.1 2 and 7.9 2
Transcribed Image Text:What is the force of attraction between the lone electron and proton in a hydrogen atom with an average distance between them is 5.0 x 10 -1 m? A. 10.2 x 108N C. 9.6 x 10 -8N D. 8.2 x 10 8 N В. В. 9.2 х 10 *N 2. The electric field has a magnitude of 3.0 N/C at a distance of 30 cm from a point charge. What is the charge? A. 1.4 nC В. 30 рC C. 36 mC D. 12 mC 3. What is the electric field strength at a point 50 cm from a charge q + 5.00 nC? A. 180 N/C B. 360 N/C C. 540 N/C D. 720 N/C 4. A 1.65 nC charge with a mass of 1.5 x 10:15 kg experiences an acceleration of 6.33 x 10' m/s in an electric field. What is the magnitude of the electric field? A. 14.95 N/C B. 29.35 N/C C. 57.55 N/C D. 2.67 x 10-19 N/C 5. A uniform electric field is directed downward and has a magnitude of 5 N/C. Find the magnitude of the force experienced by a charge of -6 C placed in this field. А. 30 N В.-1 N C. -5/6 N D. 11 N 6. A car battery uses 20 A for 10 s to start the engine. How many electrons pass during this time interval? C. 1.3 x 10 -21 electrons D. 1.25 x 102 electrons A. 200 electrons B. B. 1.6 x 10-19 electrons 7 - 8. While repairing an electric bulb socket, an electrician gets mild shock when a current of 0.0050 A passes through him. The same electrician was killed by a current of 0.15 A when he turned on an electric bulb while taking a bath. The voltage in each situation is equal to 120 V. Find the resistance of the electrician in each situation. C. 24000 2 and 800 2 D. 4.7 x 10 and 1.25 x 10 A. 0.6 Q and 18 2 B. 0.155 and 774.2 2 9-10. Three resistors of 2.0 0, 3.0 2, and 4.0 2 are connected in (a) series and (b) parallel. Find the equivalent resistance in each case. A. 24 and82 C. 10.2 Q and 1.92 2 B. 9Q and 0.92 2 D. 24.1 2 and 7.9 2
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