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A coil of inductance 0.50H and resistanc...

A coil of inductance `0.50H` and resistance `100 Omega` is connected to a `240V`, `50Hz` ac supply. What are the maximum current in the coil and the time lag between voltage maximum and current maximum?

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To solve the problem step by step, we will calculate the maximum current in the coil and the time lag between the maximum voltage and the maximum current. ### Step 1: Calculate the Angular Frequency (ω) The angular frequency (ω) is given by the formula: \[ \omega = 2\pi f \] Where: ...
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NCERT ENGLISH-ALTERNATING CURRENT -Exercise
  1. A charged 30 mu F capacitor is connected to a 27 mH inductor. What is ...

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  2. Suppose the initial charge on the capactor in the above question is 6 ...

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  3. A series LCR circuit with R = 20 Omega, L = 1.5 H and C = 35 mu F is c...

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  4. A radio can tune over the frequency range of a portion of MW broadcast...

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  5. A series LCR circuit connected to a variable frequency 230 V source ha...

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  6. An LC circuit contains a 20 mH inductor and a 50 mu F capacitor with a...

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

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  8. Obtain the answers to (a) and (b) Q.13, if the circuit is connected to...

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  9. A 100muF capacitor in series with a 40 Omega resistor is connected to ...

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  10. Obtain the answers to (a) and (b) in Q .15, if the circuit is connecte...

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  11. Keeping the source of frequency equal to the resonating frequency of t...

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  12. A circuit containing an 80mH inductor and a 60muF capacitor in series ...

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  13. Suppose the circuit in Exercise 7.18 has a resistance of 15 Omega Obta...

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  14. A series LCR circuit with L= 0.12H, C=480 nF, and R=23 Omega is connec...

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  15. Obtain the resonant frequency and Q-factor of a series LCR circuit wit...

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  16. Answer the following questions : (a) In any a.c. circuit, is the app...

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  17. A power transmission line feeds input power at 2300 V to a step down t...

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  18. At a hydroelectric power plant, the water pressure head is at a height...

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  19. A small town with a demand of 800 kW of electric power at 220 V is sit...

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  20. Do the same exercise as above with the replacement of the earlier tran...

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