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Question 1: NCERT Solutions for 12th Class Physics: Chapter 7-Alternating Current
A 100 Q resistor is connected to a 220 V, 50 Hz a.c. supply.
(a) What is the rms value of current in the circuit?
(b) What is the net power consumed over a full cycle?
Solution:
(a) Here virtual a.c. voltage is 220 V at a frequency of 50 Hz. So, rms value of current
(b) Power in complete cycle
Check the complete chapter with solutions.
NCERT Solutions for 12th Class Physics: Chapter 7-Alternating Current