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A 230 V, 50 Hz ac supply is applied to a coil of 0.06 H inductance and 2.5 resistance connected in series with a 6.8 µF capacitor. Calculate (i) Impedance (ii) Current (iii) Phase angle between current and voltage (iv) power factor1 Answer Two lamps, one rated 100 W at 220 V, and the other 60 W at 220 V, are connected in parallel to electric mains supply. What current is drawn from the line if the supply voltage is 220 V? -CBSE Physics 1 AnswerA variation of 5 μA in the base current produces a change of 1.2 mA in the collector current. Collector to emitter voltage remains fixed during this variation. Calculate the current amplification factor β dc .0 AnswerAn electric lamp, whose resistance is 20 Ω, and a conductor of 4 Ω resistance are connected to a 6 V battery. Calculate (a) the total resistance of the circuit, (b) the current through the circuit, and (c) the potential difference acr1 AnswerAn electric lamp of 100 Ω, a toaster of resistance 50 Ω, and a water filter of resistance 500 Ω are connected in parallel to a 220 V source. What is the resistance of an electric iron connected to the same source that takes as much current as a1 AnswerIn the circuit shown, transistors Q1 and Q2 are biased at a collector current of 2.6mA. Assuming that transistor current gains are sufficiently large to assume collector current equal to emitter current and thermal voltage of 26 mV, the magnitude of voltage gain1 AnswerThe current in an enhancement mode NMOS transistor biased in saturation mode was measured to be 1 mA at a drain-source voltage of 5 V. -GATE EC 20151 AnswerIn the circuit shown, V is a sinusoidal voltage source. The current I is in phase with voltage V.1 AnswerIn the circuit shown, V is a sinusoidal voltage source. The current I is in phase with voltage V.1 AnswerR1 = 10 Ω, R2 = 40 Ω, R3 = 30 Ω, R4 = 20 Ω, R5 = 60 Ω, and a 12 V battery is connected to the arrangement. Calculate (a) the total resistance in the circuit, and (b) the total current flowing in the circuit-CBSE Physics 1 AnswerThe resistance and inductance of an inductive coil are measured using an AC bridge as shown in the figure. The bridge is to be balanced by varying the impedance Z2. GATE-Instrumentation-Engineering-20141 Answer A battery of 9 V is connected in series with resistors of 0.2 Ω, 0.3 Ω, 0.4 Ω , 0.5 Ω and 12 Ω, respectively. How much current would flow through the 12 Ω resistor -CBSE Physics 1 AnswerTwo magnetically uncoupled inductive coils have Q factor q1 and q2 at the chosen operating frequency. Their respective resistances are R1 and R2. When "connected in series, the effective Q factor of the series combination at the same operat1 AnswerA circuit consists of R and C reactance is 30Ω connected in series. Determine the value of R for which power factor of the circuit is 0.8. Draw the phasor Diagram1 AnswerFor a BJT the common base current gain α = 0.98 -gate-ece-20111 AnswerAn electric iron of resistance 20 Ω takes a current of 5 A. Calculate the heat developed in 30 s. -CBSE Physics 1 AnswerFill in the blanks GATE-Instrumentation-Engineering-20141 AnswerAn electric iron has a rating of 750 W, 220 V. Calculate -2007 CBSE Physic class 101 AnswerFill in the blanks GATE-Instrumentation-Engineering-20141 Answer When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. Find the value of the resistance of the resistor. -CBSE Physics 1 Answer
EE2151 CIRCUIT THEORY ABB PAPER - 02 MAY 2004 - VADODARAGE6252 Basic Electrical and Electronics Engineering Anna university notesGE2151 BASIC ELECTRICAL AND ELECTRONICS ENGINEERINGSolar carsEE2155 ELECTRICAL CIRCUIT LABORATORY EC2151 ELECTRIC CIRCUITS AND ELECTRON DEVICES GE2116 ENGINEERING PRACTICES LABORATORY 10EC73Memristor theory