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A light bulb is rated 100 W for 220 V ac...

A light bulb is rated 100 W for 220 V ac supply of 50 Hz. Calculate
(i) the resistance of the bulb,
(ii) the rms current through the bulb.

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AI Generated Solution

To solve the problem step by step, we will follow the calculations for both parts of the question. ### Given Data: - Power (P) = 100 W - Voltage (V_rms) = 220 V - Frequency = 50 Hz (not needed for calculations in this case) ### Part (i): Calculate the resistance of the bulb ...
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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-PHYSICS (Theory) [SET - I]
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  2. An electric dipole is held in a uniform electric field. (i) Show tha...

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  3. A capacitor of capacitance 'C' is being charged by connecting it acros...

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  4. Explain the scattering of light with an example.

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  6. A light bulb is rated 100 W for 220 V ac supply of 50 Hz. Calculate ...

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  8. A circular coil of N turns and radius R carries a current I. It is unw...

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  9. Deduce the expression for the electrostatic energy stored in a capacit...

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  10. Explain thermionic emission, field emission and photoelectric emission...

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  11. Obtain the resonant frequency (omega(r)) of a series LCR circuit withL...

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  12. Mention three different modes of propagation used in communications sy...

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  15. The ground state energy of hydrogen atom is -13.6eV. If an electron ma...

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  18. (a) How does an unpolarized light incident on polaroid get polarized ?...

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