1) In a certain RLC series circuit Vc=7.26V, VL = 3.03 V and VR = 9.08V. The value of the source voltage is a) 10V b) 20V c) 30V d) 40V 2) When the frequency of an AC circuit containing resistance and inductance is increased, the current a) decreases b) increases c) stay the same d) none of the above 3) Identify current in RL a series circuit a) current always lead voltage b) voltage always lag current c) current always lag voltage d) current and voltage in phase 4) a series RC circuit consists 100ohm resistor,220x10-6 capacitor connected to 10V with frequency 50Hz. Calculate the capacitive reactance. a) 10 ohm b) 14.47 ohm c) 17.83 ohm d) 20 ohm 5) In a parallel RC circuit, the supply currents is always ____________ the applied voltage. a) lag b) leads c) remains on phase with d) none of the above

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