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An electro magnetic wave of wavelength 3...

An electro magnetic wave of wavelength 300 metre can be transmitted by a transmission centre. A condenser of capacity `2.5muF` is available. Calculate the inductance of the required coil for a resonant circuit.Use `pi^(2)=10`.

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The correct Answer is:
`1xx10^(-8)` henry
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RESONANCE-ALTERNATING CURRENT-Exercise -1 Part-1
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  2. An inductor-coil , a capacitor and an AC source of rms voltage 24 V ar...

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  3. An electro magnetic wave of wavelength 300 metre can be transmitted by...

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  4. A transformer has 50 turns in the primary and 100 in the secondary. If...

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  5. In a transformer ratio of secondary turns (N(2)) and primary turns (N(...

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  6. r.m.s. value of current i=3+4 sin (omega t+pi//3) is:

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  7. The peak value of an alternating emf E given by E=(E0) cos omega t ...

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  8. The voltage of an AC source varies with time according to the equation...

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  9. An alternating voltage is given by: e = e(1) sin omega t + e(2) cos om...

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  10. An AC voltage is given by E=E(0) sin(2pit)/(T). Then the mean value of...

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  11. An AC voltage of V=220sqrt2 sin (100 pit-pi/2) is applied across a DC ...

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  14. The potential difference V across and the current I flowing through an...

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  15. A direct current of 2 A and an alternating current having a maximum va...

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  16. A sinusoidal ac current flows through a resistor of resistance R . If ...

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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 resistor and a capacitor are connected to an ac supply of 200 V, 50 ...

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  19. The impedance of a series circuit consists of 3 ohm resistance and 4 o...

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  20. A coil of inductance 5.0 mH and negligible resistance is connected to ...

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