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What is a choke?...

What is a choke?

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Choke is an inductance coil used in AC circuits to bring down the value of current without appreciable power loss.
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An ideal choke draws a current of 8 A when connected to an AC supply of 100 V, 50 Hz. A pure resistor draws a current of 10 A when connected to the same source. The ideal choke and the resistor are connected in series and then connected to the AC source of 150 V, 40 Hz. The current in the circuit becomes

An ideal choke draws a current of 8A when connected to an AC supply of 100 V, 50 Hz. A pure resistor draws a current of 10 A when connected to the same source. The ideal choke and the resistor are connected in series and then connected to the AC source of 150 V, 40 Hz. The current in the circuit becomes.......................

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SUBHASH PUBLICATION-ALTERNATING CURRENT -NUMERICALS WITH SOLUTIONS
  1. What is a choke?

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  2. A 220 AC voltage source is connected across a pure inductor of inducta...

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  3. A 220 AC voltage source is connected across a pure inductor of inducta...

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  4. A 220 AC voltage source is connected across a pure inductor of inducta...

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  5. If a coil is to have a reactance of 16Omega for a frequency 2 kHz, the...

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  6. A pair of adjacent coils have a mutual inductance of 0.25 H. If the cu...

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  7. A sinusoidal current is represented by the equation I=2sin100pit. Calc...

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  8. A sinusoidal current is represented by the equation I=2sin100pit. Calc...

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  9. A sinusoidal current is represented by the equation I=2sin100pit. Calc...

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  10. A sinusoidal current is represented by the equation I=I(0)sin100pit. C...

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  11. An A.C. Source of 250 V, 50 Hz is connected to a circuit consisting of...

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  12. A coil of resistance 100Omega, an inductor of 0.5 H and a capacitor of...

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  13. In the circuit as show in fgure, find the impedance of the circuit. Wh...

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  14. A 100Omega resistor is connected to a 220 V, 50 Hz ac supply What is...

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  15. A 100Omega resistor is connected to a 220 V, 50 Hz ac supply What is...

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  16. A 44 mH inductor is connected to a 220 V, 50Hz ac supply. Determine th...

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  17. A 60muF capacitor is connected to a 110V, 60Hz, ac supply. Determine t...

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  18. Obtain the resonant frequency omega(r) of a series LCR circuit with L ...

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  19. A charged 30muF capacitor is connected in series to a 27mH inductor. W...

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  20. A series LCR circuit with R=20Omega,L=1.5H,andC=35muF is connected to ...

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  21. A coil of inductance 0.50 H, and resistance 100Omega is connected to a...

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