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Basic Electrical Engineering

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7
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61k
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1
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An alternation voltage is given by V= 141.4 sin 314t find i. Frequency ii. R.M.S value iii. Average value iv. Instantaneous value of voltage When t is 3 m sec
basic electrical engineering updated 2.8 years ago by prakhar1144 ★ 5.0k
3
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1
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557
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1
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kirchhoff's law
basic electrical engineering updated 2.8 years ago by prakhar1144 ★ 5.0k
0
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1
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6.3k
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1
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For a series RLC circuit find the resonant frequency, quality factor and bandwidth.
basic electrical engineering updated 2.9 years ago by pedsangini276 • 4.8k
0
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1
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381
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1
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Explain Measurement of three phase power using two wattmeter method.
basic electrical engineering updated 2.9 years ago by pedsangini276 • 4.8k
0
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1
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368
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1
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Show that the total power and Pf. In a 3 - Phase
basic electrical engineering updated 2.9 years ago by pedsangini276 • 4.8k
0
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1
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1.6k
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1
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Draw and explain the power triangle for a 3-phase lagging load.
basic electrical engineering updated 2.9 years ago by pedsangini276 • 4.8k
0
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414
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1
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The power in a 3 - phase
basic electrical engineering updated 2.9 years ago by pedsangini276 • 4.8k
0
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1
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348
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1
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The power in a 3 - phase
basic electrical engineering updated 2.9 years ago by pedsangini276 • 4.8k
0
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1
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451
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1
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Define power and energy and explain working of energy meter.
basic electrical engineering updated 2.9 years ago by Krishna_Agrawal • 2.7k
0
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1
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3.9k
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1
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With the help of neat circuit diagram and input and output waveforms. Explain the working of a half wave rectifier.
basic electrical engineering updated 2.9 years ago by teamques10 ★ 68k
0
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1
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970
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1
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Find IB, IC & VCE for following circuit.
basic electrical engineering updated 2.9 years ago by pedsangini276 • 4.8k
0
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1
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478
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1
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Draw and explain Phasor of I-Phase practical transformer when (i) on no load (ii) Leading power factor load
basic electrical engineering updated 2.9 years ago by pedsangini276 • 4.8k
0
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1
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481
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1
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Draw and explain input and output characteristics of CE transistor
basic electrical engineering updated 2.9 years ago by pedsangini276 • 4.8k
0
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1
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487
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1
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For the shown ckt, find supply current, current in each branch and total Pf.
basic electrical engineering updated 3.0 years ago by pedsangini276 • 4.8k
0
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1
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484
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With the help of a neat diagram explain the input waveform characteristics of an NPN transistor in the common emitter configuration.
basic electrical engineering updated 3.0 years ago by pedsangini276 • 4.8k
0
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1
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646
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1
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In a three phase power measurement by two waltmeter method , both the wattmeters read the same value. What is the power factor of the load? Justify your answer.
basic electrical engineering updated 3.0 years ago by pedsangini276 • 4.8k
0
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1
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416
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1
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Write down voltage, current and power relation in balanced delta connected load.
basic electrical engineering updated 3.0 years ago by pedsangini276 • 4.8k
0
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1
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2.0k
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1
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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 3.0 years ago by pedsangini276 • 4.8k
0
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1
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362
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1
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Explain measurement of three phase power using two wattmeter method.
basic electrical engineering updated 3.0 years ago by pedsangini276 • 4.8k
2
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1
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8.8k
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1
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Explain two wattmeter method for measurement of 3 - phase power.
basic electrical engineering updated 3.0 years ago by pedsangini276 • 4.8k
0
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1
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1.2k
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1
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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 3.0 years ago by pedsangini276 • 4.8k
0
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1
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1.3k
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1
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An alternatinf voltage is represented by ?? = 141.4 sin 377 t find (i) max-value (ii) frequency (iii) time period
basic electrical engineering updated 3.0 years ago by pedsangini276 • 4.8k
0
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1
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457
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1
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What is the relationship between line and phase values in star and delta connected load.
basic electrical engineering updated 3.0 years ago by pedsangini276 • 4.8k
0
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1
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922
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1
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In the circuit given below find R for maximum power delivered to it. Also find Pmax.
basic electrical engineering updated 3.0 years ago by pedsangini276 • 4.8k
1
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1
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577
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1
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Draw an a.c. waveform indicate there on and explain (i) instantaneous value, (ii) peak value and (iii) time period for one cycle of the alternating quality.
basic electrical engineering updated 3.0 years ago by pedsangini276 • 4.8k
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