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1
answer
680
views
1
answer
Derive the equation for resonance frequency [fr] in parallel resonance circuit.
analog electronics updated 4.9 years ago by teamques10 ★ 70k
0
votes
1
answer
900
views
1
answer
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 4.9 years ago by teamques10 ★ 70k
0
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1
answer
1.2k
views
1
answer
With the help of a neat diagram explain how open circuit test is conducted on a single phase transformer.
circuit transmission lines updated 4.9 years ago by teamques10 ★ 70k
0
votes
1
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886
views
1
answer
Explain the principle of working for a single phase transformer and derive the e.m.f. equation for the same.
circuit transmission lines updated 4.9 years ago by teamques10 ★ 70k
0
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1
answer
4.3k
views
1
answer
Draw the phasor diagram for 3-phase star connected load with a leading power factor. Indicate line and phase voltage and currents.
circuit transmission lines updated 4.9 years ago by teamques10 ★ 70k
0
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1
answer
1.6k
views
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? balanced star connected load.
circuit transmission lines updated 4.9 years ago by teamques10 ★ 70k
0
votes
1
answer
1.0k
views
1
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With the help of a neat circuit diagram and input and output waveform explain the working of a half wave rectifier.
engineering physics updated 4.9 years ago by teamques10 ★ 70k
0
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1
answer
2.3k
views
1
answer
With the help of a neat diagram explain how short circuit test is conducted on a single phase transformer.
circuit transmission lines updated 4.9 years ago by teamques10 ★ 70k
0
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1
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2.1k
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1
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Draw the phasor diagram of a transformer on no load and explain the various currents and voltage in it.
digital communication updated 4.9 years ago by teamques10 ★ 70k
-6
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1
answer
7.7k
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1
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A coil having a resistance of 10? and an inductance of 40 mH is connected to a 200V, 50 Hz supply. Calculate the impedance of the coil, current, power factor and power consumed.
image and video processing updated 4.9 years ago by teamques10 ★ 70k
0
votes
1
answer
802
views
1
answer
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 4.9 years ago by teamques10 ★ 70k
0
votes
1
answer
2.1k
views
1
answer
Derive the emf equation for a single phase transformer.
circuit transmission lines updated 4.9 years ago by teamques10 ★ 70k
0
votes
1
answer
2.1k
views
1
answer
Draw the phasor diagram for 3 phase delta connected load with a lagging power factor. Indicate line and phase voltage and currents.
analog electronics updated 4.9 years ago by teamques10 ★ 70k
0
votes
1
answer
579
views
1
answer
Differentiate between series and parallel resonance wth respect to i) Impedance at resonance ii) Current at resonance iii) Magnification factor
circuit transmission lines updated 4.9 years ago by teamques10 ★ 70k
0
votes
1
answer
2.6k
views
1
answer
By superposition theorem find current through 30 ohm resistor of the network given.
engineering mechanics updated 4.9 years ago by teamques10 ★ 70k
1
vote
1
answer
7.2k
views
1
answer
Two impedances of 12+j16 Ω and 10-J20Ω are connected in parallel across 230V, 50Hz, 1Ω, ac supply. Find the kW, kVA, kVAR and power factor of each branch.
analog electronics updated 4.9 years ago by teamques10 ★ 70k
0
votes
1
answer
1.8k
views
1
answer
Define Ripple factor. What is requirement of a rectifier in terms of ripple factor? How is it achieved?
industrial electronics updated 4.9 years ago by teamques10 ★ 70k
0
votes
1
answer
647
views
1
answer
Explain the measurement of 3&Straightphi power by two wattmeter method.
basic electrical engineering updated 4.9 years ago by teamques10 ★ 70k
0
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1
answer
1.4k
views
1
answer
Explain why we need filter.
digital communication updated 4.9 years ago by teamques10 ★ 70k
0
votes
1
answer
1.0k
views
1
answer
Draw and explain the phasor diagram for practical transformer connected to lagging power factor load.
digital communication updated 4.9 years ago by teamques10 ★ 70k
2
votes
1
answer
12k
views
1
answer
By mesh analysis find the current through 4 ohm resistor for the given circuit shown below.
basic electrical engineering updated 4.9 years ago by teamques10 ★ 70k
0
votes
1
answer
1.3k
views
1
answer
Justify that full wave rectifier is more efficient that half wave rectifier.
integrated circuits updated 4.9 years ago by teamques10 ★ 70k
0
votes
1
answer
1.9k
views
1
answer
A series R-L-C circuit is supplied with v(t)=10sin(1000t) volts. If the maximum peak voltage across capacitor is 400 Volts, find the quality factor of the circuit.
analog electronics updated 4.9 years ago by teamques10 ★ 70k
0
votes
1
answer
2.0k
views
1
answer
Find the RMS value of current flowing through a 314 μF capacitor when connected to 230V, 50 Hz, 1-ϕ AC supply.
analog electronics updated 4.9 years ago by teamques10 ★ 70k
3
votes
1
answer
8.6k
views
1
answer
State and explain maximum power transfer theorem.
analog electronics updated 4.9 years ago by teamques10 ★ 70k
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