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Solution


Q.

 In an ac circuit, the instantaneous current is zero, when the instantaneous voltage is maximum. In this case, the source may be connected to 

a) pure inductor

b) pure capacitor

c) pure resistor

d) combination of an inductor and capacitor

Choose the correct answer from the options given below                     [2024]
1 b, c and d only  
2 a, b and d only  
3 a and b only  
4 a, b and c only  

Ans.

(2)     

This is possible when phase difference is π2 between current and voltage.