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Basic Electrical Engineering

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2
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2
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2.2k
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2
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State and Norton's theorem?
basic electrical engineering updated 2.5 years ago by birajborah709 • 100
3
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1
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472
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1
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kirchhoff's law
basic electrical engineering updated 2.3 years ago by prakhar1144 ★ 5.0k
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1
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1.7k
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1
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Find the current through 6 ohms resistor using thevenin's Theorem for the given circuit. Varify the same using Superposition Theorem.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
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1
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9.3k
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1
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By mesh analysis find the current through 4 ohm resistor for the given circuit shown below.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
0
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1
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392
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1
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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
4
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7.0k
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1
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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 4.1 years ago by teamques10 ★ 65k
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1
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3.7k
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1
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find the resonance at which the total current taken from the supply is in phase with supply is in phase with supply voltage also find value of this current.
basic electrical engineering updated 4.1 years ago by teamques10 ★ 65k
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4.8k
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1
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A 3 Phase, 10 KVA load has power factor of 0.342. The power is measured by two wattmeter method. Find reading of each wattmeter when i) Power Factor is leading ii) Power Factor is logging
basic electrical engineering updated 4.1 years ago by teamques10 ★ 65k
0
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1
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1.9k
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1
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With the help of block diagram explain DC Power supply. Also explain constant voltage mode and constant current mode.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
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1
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414
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1
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Find I2 using mesh analysis.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
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1
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10k
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1
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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
0
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1
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499
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1
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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
0
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1
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492
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1
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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
0
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1
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393
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1
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Obtain gm, ro and Av for the amplifier circuit shown in figure. In which region the device is operating? Justify.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
0
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1
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1.0k
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1
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The wattmeter reads iron losses in OC test and reads copper losses in SC test of a transformer. Justify.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
0
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1
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620
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1
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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
0
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1
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384
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1
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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
0
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1
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731
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1
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Use mesh analysis to find current through 10Ω in the ckt shown
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
0
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1
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918
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1
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Explain the circuit diagram and waveforms of Bridge rectifier
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
0
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1
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391
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1
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Derive the condition for resonance in a series circuit.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
0
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1
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634
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1
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With the help of a neat circuit diagram and phasor diagram. Explain the 2-wattmeter method to measure power in a 3-phase balanced delta connected load.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
0
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1
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442
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1
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Draw a neat circuit diagram for a full wave bridge rectifier using 4 diodes and the corresponding inputs and output waveforms for voltage.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
0
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1
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368
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1
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Explain the measurement of 3&Straightphi power by two wattmeter method.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
0
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1
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1.4k
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1
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What is the necessary condition for resonance in series circuit. Derive expression for resonance frequency.
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
0
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1
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467
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1
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Find current through 30Ω using theveninis theorem
basic electrical engineering updated 3.0 years ago by teamques10 ★ 65k
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