Va- Vb= E- IR ( Here current is in the direction B to A. If current was from A to B the equation would be E+IR)
Va- Vb = 49- (0.5*18) = 49-9 = 40 V
So potential difference Va- Vb = 40 V
What is the potential difference VA VB in the element of circuit below (figure 14)? Given...
What is the potential difference Vb - Va shown in the circuit below. Ans: -8 V
What is the potential difference VB - VA when I =0.50 A in the circuit segmentshown below?1. +;18V 2. -2.0V 3.-28 V 4. +;2.0 V5. +;28V
Consider a point charge q = 1.0μC, point A at distance d1 = 2.160 m from q, and point B at distance d2 = 1.200 m. If these points are diametrically opposite each other, as in the lefthand figure, what is the electric potential difference VA - VB?What is that electric potential difference if points A and B are located as in the righthand figure?
15 k 12 +TO 4. Determine the potential difference, VA – VB in the circuit segment shown below when the current I = 2 mA and Q = 50 °C. Ans: - 20 V AL when the current/8= 2 mal and go+souc. A li m 15 V 2.0uF
33. For the circuit of Figure 4.17, find voltages Va and Vb. Given: R1 = 3.14K IT = 2.93mA a 3k b Required: voltages Va and Vb. 10k 3 10 V = 4k 3 320k Ry=5.185k2 I= 1.93mA 33. V. - 10 V, V- 5.263 V 7 answers Solution: B:35.185 Va = 10V B = 3.41K12 I, - 341-2.93mA Vo= 10V -(1.92-3x_) = 4.2v
In the circuit shown in the figure, VA = VB = 10.0 and R1 = R2 = R3 = R4 = Rs = 50.0. Current Is flows up through Rs, and I5 = 0.0500 A. Determine the current 14 through R4. Assume the direction of positive current flow is downward through R4. mm VA 14 = A Determine the voltage V2 across R2. mm V2 = V w Determine the power P3 dissipated by R3. R P3 = W
For the figures below, calculate the potentials VA, VB and hence the potential difference VAB
What is Va, Vb, and I?
For the circuit below, what is VA? 2001 | 1001 5v ) VA S VB 30022 3001
Solve for all currents in this circuit. Find the voltage
difference Vb-Va.
Solve for all currents in this circuit. Find the voltage difference AVAB = VB - VA A ww 3.9 Q 6.7 Q + 12 V 1.2Q 9.0 V 9.8 Q ww ww
3. (a) What is the potential difference VA ? VB between two points A and B situated at 26.0 cm
and 52.0 cm respectively from a 3.10 µC point charge?
(b) Where should the point B be moved to in order to increase
this potential difference by a factor of two?