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7
votes
1
answer
96k
views
1
answer
Derive the emf. Equation for A single phase transformer.
basic electrical engineering updated 2.2 years ago by sagarkolekar ★ 11k
13
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1
answer
88k
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1
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Draw and explain output characteristics of transistor in CE configuration and input characteristics.
basic electrical engineering updated 2.2 years ago by pedsangini276 • 4.7k
7
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1
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60k
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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 2.2 years ago by prakhar1144 ★ 5.0k
3
votes
1
answer
42k
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1
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Derive the condition for maximum efficiency of a transformer. Also, derive equation for load maximum efficiency.
basic electrical engineering updated 2.2 years ago by pedsangini276 • 4.7k
3
votes
1
answer
34k
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1
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Calculate equivalent resistance as referred to primary and secondary, equivalent reactance as referred to primary and secondary, equivalent impedance as referred to primary and secondary.
basic electrical engineering updated 4.0 years ago by teamques10 ★ 64k
0
votes
1
answer
30k
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1
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Define ripple factor and voltage regulation for rectifier circuits.
basic electrical engineering updated 2.2 years ago by pedsangini276 • 4.7k
4
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1
answer
27k
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1
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Single Phase FWCR : Fully Controlled Bridge Circuit with Inductive (RL) Load
basic electrical engineering updated 4.8 years ago by teamques10 ★ 64k
0
votes
1
answer
24k
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1
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Find the resultant current and express it in the form i=Im sin(wt+0). If the supply frequency is 50Hz.
basic electrical engineering updated 19 months ago by yashbeer ★ 11k
1
vote
1
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18k
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1
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In a 50 KVA, 1100/220 V transformer, the iron and copper losses at full load are 350 W and 425 W respectively.
basic electrical engineering updated 4.0 years ago by teamques10 ★ 64k
1
vote
1
answer
18k
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1
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What is the function of filter in rectifier circuit? Draw circuit of rectifier with inductor filter.
basic electrical engineering updated 2.2 years ago by pedsangini276 • 4.7k
3
votes
1
answer
17k
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1
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Single Phase FWCR : Mid-Point (Centertaped) Converters with Inductive (RL) Load
basic electrical engineering updated 2.1 years ago by pedsangini276 • 4.7k
3
votes
1
answer
17k
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1
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Single Phase FWCR : Mid-Point (Centertaped) Converters with Resistive (R) Load
basic electrical engineering updated 2.1 years ago by pedsangini276 • 4.7k
2
votes
1
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15k
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1
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What are assumptions for an ideal transformer?
basic electrical engineering updated 4.0 years ago by teamques10 ★ 64k
1
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1
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14k
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1
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HWCR : Effect of Free-Wheeling Diode
basic electrical engineering updated 2.1 years ago by pedsangini276 • 4.7k
1
vote
1
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14k
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1
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Three similar coils connected in star, take a total power of 1.5 kW at a pf of 0.2 lagging from a three phase, 440 V, 50 Hz supply. Calculate the resistance and inductance of each coil.
basic electrical engineering updated 4.0 years ago by teamques10 ★ 64k
0
votes
1
answer
13k
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1
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Give comparison between: Series and parallel resonance.
basic electrical engineering updated 4.0 years ago by teamques10 ★ 64k
0
votes
1
answer
13k
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1
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State and explain Norton's theorem.
basic electrical engineering updated 4.0 years ago by teamques10 ★ 64k
0
votes
1
answer
11k
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1
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Total Copper Loss using individual resistance and equivalent resistances.
basic electrical engineering updated 4.0 years ago by teamques10 ★ 64k
4
votes
1
answer
11k
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1
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A series RLC circuit has following parameter values: $R=10\Omega$, L=0.014H, $C=100 \mu F$. Compute resonant frequency, quality factor, bandwidth, located cut off frequency.
basic electrical engineering updated 4.0 years ago by teamques10 ★ 64k
0
votes
1
answer
10k
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1
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Find the current through 10Ω resistor using Norton's theorem.
basic electrical engineering updated 2.9 years ago by teamques10 ★ 64k
0
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1
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9.9k
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1
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Draw the circuit diagram and the input and output waveforms for a full wave bridge rectifier.
basic electrical engineering updated 2.2 years ago by pedsangini276 • 4.7k
0
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1
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9.7k
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1
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What is the source of the leakage current in a transistor? If the emitter current of a transistor is 8 MA and 1B is 1/100 of 1c, determine the levels of 1C and 1B.
basic electrical engineering updated 2.1 years ago by DevarenjiniP • 3.1k
0
votes
1
answer
9.3k
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1
answer
Calculate the power factor of the choke coil and power factor of the circuit.
basic electrical engineering updated 4.0 years ago by teamques10 ★ 64k
0
votes
1
answer
9.2k
views
1
answer
Explain the principle of working for a single phase transformer and derive the emf equation for same.
basic electrical engineering updated 4.0 years ago by teamques10 ★ 64k
1
vote
1
answer
9.2k
views
1
answer
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 ★ 64k
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