The following constants can be useful: Charge of electron Mass of the electron Mass of the proton lel = 1.6 x 10-19C; m = 9.11x10-31 kg ; m = 1.67×10 kg : 13 A) 1.25 x 10¹ Acceleration due to gravity Permittivity of free space Coulomb's constant π = 3.14 Choose the best answer or the Q1. A piece of plastic has a net charge of +1.00 μC. How many fewer electrons than protons does this piece of plastic have? B) 6.25 x 10¹2 C) 2.50 × 10¹3 D) 3.60 × 10¹⁹ Q2. Three point charges Q1-0.9 μC; Q2=-3.0 μC and Q3= -0.9 µC are placed as shown in figure, where the distance a = 9.0 cm. The magnitude of the electric force (in N) acting on Q2 is A) 12.7 B) 2.8 C) 4.2 D) 3.0 Q3. Two stationary point-like objects with charges 91 and 92 are shown in the figure along with a sketch of E-field lines representing the electric field produced by them. What can you determine from the sketch? Q4. Two-point charges, q1 and q2, are placed 0.30 m apart on the x-axis, as shown in the figure. Charge qi has a value of -1.0 x 10-9 C. If net electric field at point P is zero, then the magnitude of charge q₂ is: A) 4.8 x 10-BC B) 3.1 x 10 C g = 9.8 m/s² &=8.85x10-12 c² /Nm² ke=9x10⁹ N.m²/C² E) 3.01 x 1023 Q₁ A) q, is negative and q2 is positive; the magnitudes are equal. B) q, is positive and q2 is negative; the magnitude of q, is greater than the magnitude of 92. C) q, is negative and q2 is positive; the magnitude of q1 is less than the magnitude of 92- D) q, and q₂ have the same sign; the magnitudes are equal. and 92 have the same sign; the magnitude of q, is greater than the magnitude of 92 E) 91 P 91 -0.20 0 C) 6.6 x 10-8C P' 92 0.20 0.40 0.60 D) 1.6 x 10-8C Q₂ a x(m)
The following constants can be useful: Charge of electron Mass of the electron Mass of the proton lel = 1.6 x 10-19C; m = 9.11x10-31 kg ; m = 1.67×10 kg : 13 A) 1.25 x 10¹ Acceleration due to gravity Permittivity of free space Coulomb's constant π = 3.14 Choose the best answer or the Q1. A piece of plastic has a net charge of +1.00 μC. How many fewer electrons than protons does this piece of plastic have? B) 6.25 x 10¹2 C) 2.50 × 10¹3 D) 3.60 × 10¹⁹ Q2. Three point charges Q1-0.9 μC; Q2=-3.0 μC and Q3= -0.9 µC are placed as shown in figure, where the distance a = 9.0 cm. The magnitude of the electric force (in N) acting on Q2 is A) 12.7 B) 2.8 C) 4.2 D) 3.0 Q3. Two stationary point-like objects with charges 91 and 92 are shown in the figure along with a sketch of E-field lines representing the electric field produced by them. What can you determine from the sketch? Q4. Two-point charges, q1 and q2, are placed 0.30 m apart on the x-axis, as shown in the figure. Charge qi has a value of -1.0 x 10-9 C. If net electric field at point P is zero, then the magnitude of charge q₂ is: A) 4.8 x 10-BC B) 3.1 x 10 C g = 9.8 m/s² &=8.85x10-12 c² /Nm² ke=9x10⁹ N.m²/C² E) 3.01 x 1023 Q₁ A) q, is negative and q2 is positive; the magnitudes are equal. B) q, is positive and q2 is negative; the magnitude of q, is greater than the magnitude of 92. C) q, is negative and q2 is positive; the magnitude of q1 is less than the magnitude of 92- D) q, and q₂ have the same sign; the magnitudes are equal. and 92 have the same sign; the magnitude of q, is greater than the magnitude of 92 E) 91 P 91 -0.20 0 C) 6.6 x 10-8C P' 92 0.20 0.40 0.60 D) 1.6 x 10-8C Q₂ a x(m)
Chapter5: Electric Charges And Fields
Section: Chapter Questions
Problem 107P: A water molecule consists of two hydrogen atoms bonded with one oxygen atom. The bond angle between...
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Q 1 please
Transcribed Image Text:The following constants can be useful:
Charge of electron
Mass of the electron
Mass of the proton
lel = 1.6 x 10-1⁹ C;
m = 9.11x10 kg;
m = 1.67x10-27 kg;
P
Acceleration due to gravity
Permittivity of free space
Coulomb's constant
π = 3.14
Choose the best answer vi i v
Q1. A piece of plastic has a net charge of +1.00 μC. How many fewer electrons than protons does this piece of
plastic have?
A) 1.25 x 10¹3
B) 6.25 x 10¹2
C) 2.50 × 10¹3
D) 3.60 × 10¹⁹
E) 3.01 x 10²3
Q2. Three point charges Q1-0.9 µC; Q2=-3.0 μC and Q3= -0.9 μC are placed
as shown in figure, where the distance a = 9.0 cm. The magnitude of the electric
force (in N) acting on Q2 is
A) 12.7
B) 2.8
C) 4.2
D) 3.0
Q3. Two stationary point-like objects with charges 91 and 92 are shown in the
figure along with a sketch of E-field lines representing the electric field
produced by them. What can you determine from the sketch?
Q4. Two-point charges, q₁ and q2, are placed 0.30 m
apart on the x-axis, as shown in the figure. Charge qi
has a value of -1.0 x 10-9 C. If net electric field at
point P is zero, then the magnitude of charge q2 is:
A) 4.8 x 10-8C
B) 3.1 x 10-C
g = 9.8 m/s²
&=8.85 x 10-12 c² /Nm²
ke=9x10⁹ N.m²/C²
A) q, is negative and q2 is positive; the magnitudes are equal.
B) q, is positive and q2 is negative; the magnitude of q, is greater than the
magnitude of 92.
C) q, is negative and q2 is positive; the magnitude of q1 is less than the
magnitude of 92.
D) 91
and q₂ have the same sign; the magnitudes are equal.
E) q, and q₂ have the same sign; the magnitude of q, is greater than the magnitude of 92.
P 91
-0.20 0
C) 6.6 x 10-8C
Р
92
0.20
0.40 0.60
D) 1.6 × 10-8C
Q:
a
Q3
x(m)
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