An electron moves from point A to point B under the influence of an electrostatic force only. The electric potential difference between A and B is, VB - VA = 90 kV, the change in potential energy Us - UA is, in 10-15 J: (A)-14.4 (B)-9.6 (C)-12.8 (D)-11.2 Q11: The voltage on 12 resistor is, in V. 2.00 Ω ww

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Physics, pleaseeeeeeeee solve question 10

Q10: An electron moves from point A to point B under the influence of an electrostatic force only. The
electric potential difference between A and B is, VB - VA = 90 kV, the change in potential energy UB - UA is,
in 10-15 J:
(A)-14.4
(B)-9.6
Q11: The voltage on 12 resistor is, in V.
(C)-12.8
(D)-11.2
2.00 Ω
ww
18.0 3.00
V
Ω
4.00 Ω
ww
1.00
S2
(A) 10.7
(B) 2.0
(C) 28.4
(D) 5.3
012: If R=3 k2, C = 4 mF, 8=8 V, Q=20 mC, and /= 3 mA,
what is the potential difference Vb - Va, in V:
(A) 11
(B) 12
(C) 10
(D) 9
Q13: Which is of the following units equivalent to T (Tesla)?
(A) C.m/N.S² (B) A.m/N
(C) N/A.m
N.S/C.m²
(D)
40 52
Q14: What is the current passing through the 20-2 resistor when
&= 50 V, in A?
30 12
30 12
30 12
200
(A) 0.43
(B) 0.29
(0)
(D) 0.71
(C) 0.57
Q15: A battery with an emf of 18 V and internal resistance of 0.922 is connected across a load resistor R. If
the current in the circuit is 1.4 A, what is the voltage across the battery, in V?
(A) 16.74
(B) 14.74
(C) 10.74
(D) 12.74
Q16: Charge of uniform density (5 nC/m²) is distributed on a surface of conducting sphere of radius 1m.
Determine the electric potential (relative to zero at infinity) at the center of the sphere, in V:
(A) 508.5
(B) 565.022 (0)
(C) 452.0) (D) 395.500
Q17: Suppose you have two negative point charges. As you move them farther and farther apart, the potential
energy of this system relative to infinity:
(A) increases
(B) remains zero
(C) remains the same
(D) decreases
Q18: Two charges 9₁ = 4pC and q2 = -4pC are located inside a spherical shell of radius R, the electric flux,
Nm through a spherical surface is?
in
(A) 1.58
(B) 1.36
(C) 1.13
(D) 0
Q19: Calculate the total electric flux through the m side surface (S)
due to a uniform electric field of magnitude E, in the direction shown
in Figure?
E
(A) 0
(Β) πr2 Eo
(℃) -лт² Е₁
(D) 2πτ2 Ερ
Q20: The figure shows two connected wires that are made of the same material. The
current entering the wire on the left is 16 A and in that wire the electron drift speed
is v. What is the electron drift speed in the wire on the right side?
(A) 2vd
(B) v/4
(C) v/2
(D) 4vd
1.0 mm
2.0 mm
Transcribed Image Text:Q10: An electron moves from point A to point B under the influence of an electrostatic force only. The electric potential difference between A and B is, VB - VA = 90 kV, the change in potential energy UB - UA is, in 10-15 J: (A)-14.4 (B)-9.6 Q11: The voltage on 12 resistor is, in V. (C)-12.8 (D)-11.2 2.00 Ω ww 18.0 3.00 V Ω 4.00 Ω ww 1.00 S2 (A) 10.7 (B) 2.0 (C) 28.4 (D) 5.3 012: If R=3 k2, C = 4 mF, 8=8 V, Q=20 mC, and /= 3 mA, what is the potential difference Vb - Va, in V: (A) 11 (B) 12 (C) 10 (D) 9 Q13: Which is of the following units equivalent to T (Tesla)? (A) C.m/N.S² (B) A.m/N (C) N/A.m N.S/C.m² (D) 40 52 Q14: What is the current passing through the 20-2 resistor when &= 50 V, in A? 30 12 30 12 30 12 200 (A) 0.43 (B) 0.29 (0) (D) 0.71 (C) 0.57 Q15: A battery with an emf of 18 V and internal resistance of 0.922 is connected across a load resistor R. If the current in the circuit is 1.4 A, what is the voltage across the battery, in V? (A) 16.74 (B) 14.74 (C) 10.74 (D) 12.74 Q16: Charge of uniform density (5 nC/m²) is distributed on a surface of conducting sphere of radius 1m. Determine the electric potential (relative to zero at infinity) at the center of the sphere, in V: (A) 508.5 (B) 565.022 (0) (C) 452.0) (D) 395.500 Q17: Suppose you have two negative point charges. As you move them farther and farther apart, the potential energy of this system relative to infinity: (A) increases (B) remains zero (C) remains the same (D) decreases Q18: Two charges 9₁ = 4pC and q2 = -4pC are located inside a spherical shell of radius R, the electric flux, Nm through a spherical surface is? in (A) 1.58 (B) 1.36 (C) 1.13 (D) 0 Q19: Calculate the total electric flux through the m side surface (S) due to a uniform electric field of magnitude E, in the direction shown in Figure? E (A) 0 (Β) πr2 Eo (℃) -лт² Е₁ (D) 2πτ2 Ερ Q20: The figure shows two connected wires that are made of the same material. The current entering the wire on the left is 16 A and in that wire the electron drift speed is v. What is the electron drift speed in the wire on the right side? (A) 2vd (B) v/4 (C) v/2 (D) 4vd 1.0 mm 2.0 mm
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