Class 12

25. Alternating Current question bank (Physics)

Practice 2,021 free Class 12 Physics - 25. Alternating Current questions with answers and step-by-step solutions.

Q1.

The phase relationship between current and voltage in a pure resistive circuit is best represented by  
 


 

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Q2.

A light bulb is rated at 100 W for a 220 V ac supply. The resistance of the bulb is  

(A)
\( 284\, \Omega \)
(B)
\( 384\, \Omega \)
(C)
\( 484\, \Omega \)
(D)
\( 584\, \Omega \)
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