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C D- MTL CLT Q-Choose the appropriate letter A, B, C or D 1-The dimension of Potential energy. MT D- MLT M'T C-MLT The dimension of unit Newton. & MIT & MO'T 3-A point charge 6c is placed at a distance 4cm from another point charge D- 6μC C- 3.70x10 C If the repulsive force between them is son, find q. B-6pC AUC 4-How many electrons are in a metal to have a charge of 6c.If (e-1.6×10 "C). C- 3.75×10¹ D- 5x10¹6 8- 2x10 A-5×10% electron 5-The total opposition to current caused by reactive (X.X,) and resistive (R) devices is called? A-Current B- Voltage C- Impedance D- Coulomb's law 6-A point charge q=-8nc is located at the origin. Find only the component of electric field (E) at the field point (x=1.2m, y=-1.6) A-144N/C 8- 10.8N/C C- 26N/C 7-Two point charges, 6x10°C and -2x10°C respectively are separated by 4m. The electric field magnitude (in units of N/C) midway between them is . D--18N/C A-9x10' B- 18 C-36x10⁹ 8-A L=0.7H inductor is connected into a 110V-rms 60Hz voltage source, with an ammeter in series. What is the rms value of the current through the inductor?. D-22.5 A-0.189A B- 0.359A -The time period (7) of a wave is. C-0.42A -the same as frequency. D-5μC ime required to complete one cycle. pressed in Hz. e of the above
10-Impedance (2) is measured in. Ampere C- Olme 40m D-conlomb 11-In a pure capacitive circuit Athecument is in phase with voltage -the current lags behind the voltage by /2. C-the current leads the voltage by a/2. D-the current can lead or lag voltage by a/2 12-1f an R-1 resistor a c-la capacitor, and an t-02// inductor are connected in series with a 160si(377 volt source, what is the maximum current delivered by the source? A 0.0574 8274 13- The electrical capacitance (c) is measured in C- 80-10 4 0-364 8 Heary C- Ohms D Ampere 14- Suppose the x-velocity of the car at any time is given by the equation. v₂-30-0.5² Find the average acceleration in the time between 1,-1sec and r,-3100. A-0.74 B-5m/s² D-SpC 15-A 10μ capacitor is plugged into a 110 V-rms 60 Hz voltage source, with an ammeter in series. What is the rms value of the current through the capacitor? A-0.2024 B- 04154 C-0.6264 D- 0.066 16- Since resistor, inductor, and capacitor are connected in series. A- The current at all points in the circuit has the same amplitude and phase. B-The voltage at all points in the circuit has the same amplitude and phase. C- The circuit is more inductive. D- The circuit is more capacitive. 17- Three point charges of ( 2,7C-4C) are located at corners of an equilateral triangle as shown in the figure. Calculate the net electric force on Tuc? A-22×10" N B-0.872N 100 C C-22×10 N D-42×10 N 2000 AC SO
A 10 Ac signal at ar is connected to across A 100F Capacitor Calculate the capacitive reactance A-292 B-4024 CLIN D.4.10'03 charges AC on a charge 8-2C located at the origin? Gravitational force are r In the right triangle ABC, What is the total force and its direction exerted by these two negligible. Charge A+7C is at x-4cm from the origin. Charge C-2C is at y=-2cm from the origin. Answer AF-12×10 N0-48.8 BF 5 x 10.836.8 C-F 29 N.8-42.8 D-F=45 x 10³.8-40° 20- A charge q exerts a force of magnitude -0.20N on another charge-29 Find the magnitude of each charge if the distance separating them is equal to 50cm Aq=1.66x 10-C-29-3.23 x 10-C 8-q=5 x 10 °C.-29-10 x 10 C C-g-4.5 x 10-7C.-2q = -9x 10°C D-q=2.2 x 10-C-2q = -4.4 x 10°C