1.

(A) : An inductance and a resistance are connected in series with an A.C. circuit. In this circuit the current and the potential difference across the resistance lag behind potential difference across the inductance by an angle pi//2. (R): In L-R circuit voltage lags the current by phase angle which depends on the value of inductance and resistance both.

Answer»

Both 'A' and 'R' are TRUE and 'R' is the CORRECT explanation of 'A'.
Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'
'A' is true and 'R' is FALSE
Both 'A' and 'R' are false

Answer :D


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