Q4: The obtained results of the electric potential in some region is shown in the figure, where the measured equipotential lines are spaced by the same difference in potential. Q5: Q6: The magnitude and direction of the electric field at point 1 is: A) 5000 V/m up ward B) 5000 V/m down ward C) 2500 V/m up ward D) 2500 V/m down ward A) 400 B) 480 C) 560 D) 640 C) 2 D) 1 1 cm The power dissipated PL(W) versus the load resistance R (2) is plotted as shown. The value of the power dissipated in R (in mW), when R = 200 2, is: 0.80 P (W) Version (C) 0.60 0.40 0.20 x 0.00 X 0 X X X For the circuit shown, the magnitude of the current (in mA) in the resistor R is: A) 5 B) 4 80 X 6V 160 X =3mA www 1200-2 x x 240 x R 6005 ov 3V X R (0) 25 V 50 V 75 V 320 cm