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Determine the current drawn from the sou...

Determine the current drawn from the source .
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Current in inductor lags the voltage by `pi//2`
Current in capacitor leads the voltage by `pi//2`
Current from source `=0.2A`
`I = ((0.3)^(2) + (0.4)^(2)) = 0.5 A`
Current from source `= 0.5A`

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CP SINGH-ALTERNATING CURRENT-EXERCISES
  1. Determine the current drawn from the source . .

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  2. The peak voltage in a 220 V AC source is

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  3. An alternating emf given by V = V(0) sin omegat has peak value 10 volt...

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  4. The average emf during the positive half cycle of an ac supply of peak...

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  5. The rms value of an ac of 50Hz is 10A. The time taken by an alternatin...

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  6. An ac ammeter is used to measure currnet in a circuit. When a given di...

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  7. The rms value of the emf given by E = 8 sin omegat + 6 sin 2omegat .

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  8. An AC is given by the equation i=i(1)cos omegat+i(2)sin omegat. The r....

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  9. A direct current of 5 amp is superimposed on an alternating current I=...

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  10. An AC source is rated 220 V, 50 Hz. The average voltage is calculated ...

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  11. The magnetic field energy in an inductor changes from maximum value to...

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  12. An AC source producing emf epsilon = epsilon0 [cos(100 pi s^(-1)) t ...

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  13. What reading would you expact of a square-wave current, suitching rapo...

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  14. The heat produced in a given resistor in a given time by the sinusoida...

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  15. An alternating current having peak value 14 A is used to heat a metal ...

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  16. An alternating voltage V =200sqrt2 sin 100 t where V is in volt and t ...

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  17. What is the r.m.s. value of an alternating current which when passed t...

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  18. A constant current of 2.8 A exists in a resistor. The rms current is

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  19. Choose the currect option .

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  20. The rms value of potential difference V shown in the figure is

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  21. Which one of the follwing represents the variation of capacitive react...

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