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In an AC circuit a 100 m H inductor and ...

In an AC circuit a 100 m H inductor and a 80 `muF ` capacitor are connected in series across a 230 V 50 Hz supply. The circuit has a resistance of 20 `Omega`. Calculate the average power transferred to each element of the circuit and the total power absorbed .

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To solve the problem, we need to calculate the average power transferred to each element of the circuit (the resistor, inductor, and capacitor) and the total power absorbed by the circuit. Here’s a step-by-step breakdown of the solution: ### Step 1: Calculate the angular frequency (ω) The frequency of the AC supply is given as 50 Hz. The angular frequency is calculated using the formula: \[ \omega = 2\pi f \] Substituting the value of \( f \): ...
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MODERN PUBLICATION-ALTERNATING CURRENT -CHAPTER PRACTICE TEST
  1. In an AC circuit a 100 m H inductor and a 80 muF capacitor are connec...

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  2. Write the relation between the rms value and peak value of AC.

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  3. Discuss the phase relationship between current and emf in an circuit c...

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  4. In a series LCR circuit, V(L) = V(C ) != V(R ). What is the value of p...

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  5. Why cannot a transformer be used to step up d.c. voltage ?

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  6. Why do we prefer a choke coil to a rhestat in controlling a.c.?

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  7. Why is electrical energy transmitted at high voltage from a distant po...

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  8. A step down transformer converts transmission line voltage from 2200 V...

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  9. The rms value of current in a 50 Hz AC source is 4 A. What will be the...

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  10. An electric heater is connected to DC and AC sources of equal voltage ...

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  11. Under which condition the current will lag behind the voltage? Explain...

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  12. When an ac source is connected to an ideal capacitor, show that the av...

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  13. Show that in the free oscillations of an LC circuit, the sum of energi...

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  14. Can the voltage drop across the inductor or capacitro in a series LCR ...

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  15. An alternating voltage given by V = 240 sin 314 t is connected across ...

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  16. What is power factor of an LCR circuit ? Explain on the basis of power...

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  17. (a) In a series LCR circuit connected across an AC source of varible f...

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