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Basic Electrical Engineering

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1.1k
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Derive the relationship between Phase and Line voltages and currents for a star connected balanced load across a three-phase balanced system.
basic electrical engineering updated 2.5 years ago by pedsangini276 • 4.8k
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In a balanced three phase circuit, power is measured by two wattmeters, the ratio of two wattmeter readings is 2:1. Determine the power factor of the system.
basic electrical engineering updated 2.5 years ago by pedsangini276 • 4.8k
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534
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Draw and discuss Hey Bridge and its application for measurement of inductance.
basic electrical engineering updated 2.7 years ago by yashbeer ★ 11k
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An alternating current takes 3.375ms to reach 15A for the first time after becoming instantaneously zero. The frequency of the current is 40Hz. Find the maximum value of the alternating current.
basic electrical engineering updated 4.0 years ago by teamques10 ★ 65k
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354
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Find resistance for the circuit shown to obtain $V_{CE}=5V$ and $IC=2mA$
basic electrical engineering updated 2.5 years ago by yashbeer ★ 11k
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What are PVT variations and how does PVT affect integrated circuit?
basic electrical engineering updated 2.5 years ago by yashbeer ★ 11k
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519
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For the circuit shown i Fig 4b, assume ?=100.i) Find Thevenin's equivalent voltage VTH and resistance RTH for base circuitii) Determine ICQ and VCEQ
basic electrical engineering updated 2.2 years ago by RakeshBhuse • 3.2k
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Explain the concept of slip in induction motors.
basic electrical engineering updated 2.2 years ago by IshanD • 40
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Derive the emf. Equation for A single phase transformer.
basic electrical engineering updated 2.2 years ago by sagarkolekar ★ 11k
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455
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Explain two wattmeter method power measurements in 3 phase star connected balanced load.
basic electrical engineering updated 2.2 years ago by pedsangini276 • 4.8k
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431
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Explain series inductor filter.
basic electrical engineering updated 2.2 years ago by pedsangini276 • 4.8k
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1.8k
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What are assumptions for an ideal transformer?
basic electrical engineering updated 2.2 years ago by pedsangini276 • 4.8k
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543
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Derive an expression for the average value of a sinusoidally varying current in terms of Peak Value.
basic electrical engineering updated 2.2 years ago by pedsangini276 • 4.8k
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390
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Explain with circuit diagram working of CE configuration of BJT.
basic electrical engineering updated 2.2 years ago by pedsangini276 • 4.8k
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576
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Explain working of centre tap full wave rectifier with waveforms.
basic electrical engineering updated 2.2 years ago by pedsangini276 • 4.8k
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423
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Draw complete V.I characteristics of a Diode.
basic electrical engineering updated 2.2 years ago by pedsangini276 • 4.8k
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916
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Explain the circuit diagram and waveforms of Bridge rectifier
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
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383
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Draw the circuit diagram for bridge rectifier. Explain it and deriv equations for Idc3, Irms, Vdc and ?.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
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619
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Explain how rotating magnetic field is produced in 3-phase induction motor.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
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391
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Write short notes on following :- (i) Construction, classification and application of DC motor. (ii) Maximum Power Transfer Theorem.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
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1.7k
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Why do we need filters in a dc power supply?
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
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Find the current through 10Ω resistor using Norton's theorem.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
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497
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For the amplifier shown in following figure, determine- 1. Gm, rd 2. Zi, Zo, Av values in each case for both with and without rd.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
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390
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Derive the condition for resonance in a series circuit.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
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491
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Determine Ri, Ro, Av and gm for amplifier circuit shown in figure VBE(ON)=0.7V, β=100, VA=∞
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
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