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Q14: What is the current passing through the 20-92 resistor when &= 50 V, in A? (A) 0.43 (B) 0.29 +- (0) (C) 0.57 I (D) 0.71 40 62 200 30 12 www 30 12 30 11

Q14: What is the current passing through the 20-92 resistor when &= 50 V, in A? (A) 0.43 (B) 0.29 +- (0) (C) 0.57 I (D) 0.71 40 62 200 30 12 www 30 12 30 11

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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pleaseeee solve question 14 physics

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 1.00€ S2 Ω (A) 10.7 4.00 Ω ww (B) 2.0 (C) 28.4 (D) 5.3 Q12: If R=3 ks, C= 4 mF, &-8 V, Q=20 mC, and I = 3 mA, what is the potential difference V - Va, in V: 514 (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 (D) N.S/C.m² 40 52 Q14: What is the current passing through the 20-2 resistor when &= 50 V, in A? 30 12 30 12 30 52 www 20 (A) 0.43 (B) 0.29 (C) 0.57 (D) 0.71 Q15: A battery with an emf of 18 V and internal resistance of 0.9 2 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) 565.0 2 (0) (C) 452.0 (D) 395.560 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, in Nm²/C ,through a spherical surface is? (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 (C) –πr2E0 (D) 2mr2 Eo 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 What is the electron drift speed in the wire on the right side? Vd. A) 2vd (D) 4va (B) v/4 (C) v√/2 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 1.00€ S2 Ω (A) 10.7 4.00 Ω ww (B) 2.0 (C) 28.4 (D) 5.3 Q12: If R=3 ks, C= 4 mF, &-8 V, Q=20 mC, and I = 3 mA, what is the potential difference V - Va, in V: 514 (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 (D) N.S/C.m² 40 52 Q14: What is the current passing through the 20-2 resistor when &= 50 V, in A? 30 12 30 12 30 52 www 20 (A) 0.43 (B) 0.29 (C) 0.57 (D) 0.71 Q15: A battery with an emf of 18 V and internal resistance of 0.9 2 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) 565.0 2 (0) (C) 452.0 (D) 395.560 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, in Nm²/C ,through a spherical surface is? (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 (C) –πr2E0 (D) 2mr2 Eo 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 What is the electron drift speed in the wire on the right side? Vd. A) 2vd (D) 4va (B) v/4 (C) v√/2 1.0 mm 2.0 mm
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