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Three similar coils, connected in star, take a total power of 1.5 kW at a p.f. of 0.2 lagging from a three phase, 440 V, 50 Hz Supply. Calculate the resistance and inductance of each coil.
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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Define the equation for resonance frequency (fr) in parallel resonance circuit.
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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An alternating voltage is given by V = 141.4 sin 314t. Find (i) Frequency (ii) RMS Values (iii) Average Value (iv) Instantaneous value of voltage at t = 3msec.
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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481
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State and explain maximum power transfer theorem
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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380
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Draw and explain Output characteristics of transistor in CE configuration.
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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368
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What is the function of filter in rectifier circuits. Explain with appropriate waveforms.
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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366
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Give the comparison between series and parallel resonance circuits.
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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Derive the condition for maximum power transfer through the network.
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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412
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Derive condition for maximum efficiency of a trransformer. Also deive equation for load at maximum efficiency.
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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Find the value of circuit elements and reactive voltampere drawn for a balanced 3 phase load connected in delta and draws a power 12k W at 440V. The power factor is 0.7 leading.
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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A 3 phase, 10 KVA lead has power factor of 0.342.The power is measured by two wattmeter method. Find the reading of each wattmeter when. (i) Power factor is leading
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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What is function of filter in rectifier circuit ? Draw of rectifire with inductor filter.
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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What are the losses in the transformer? Explain why the rating of transformer in KVA not in KW.
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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Three identical coils each [4.2-j5.6] ohm are connected in star Across 415 V, 3 Phase, 50Hz supply. Deterine (i) Vph (ii) Iph (iii) Power factor.
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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470
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Derive the equation for resonance frequency [fr] in parallel resonance circuit.
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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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 3.0 years ago by teamques10 ★ 65k
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Limit cycle oscillations.
analog electronics updated 4.7 years ago by ankitpandey • 100
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Consider MOSFET Current Source in figure -
analog electronics updated 4.8 years ago by yashbeer ★ 11k
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973
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Derive the output resistance of current source
analog electronics updated 4.7 years ago by vedantchikhale • 830
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763
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NMOS Current Source Numerical
analog electronics updated 4.7 years ago by vedantchikhale • 830
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411
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Energy Considerations :
analog electronics updated 4.7 years ago by teamques10 ★ 65k
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862
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Write a short note on Notch filter
analog electronics updated 2.1 years ago by Krishna_Agrawal • 2.7k
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575
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Give the preparation and uses of silica bricks.
analog electronics updated 3.0 years ago by teamques10 ★ 65k
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1.7k
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Power Screw and its Applications
analog electronics updated 5.3 years ago by abhishekmittal • 10
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Approaches of Handling the process Synchronisation in MOS
analog electronics updated 4.9 years ago by yashbeer ★ 11k
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