Alternating CurrentEasy
Question
The graph shows variation of I with f for a series R-L-C network. Keeping L and C constant. If R decreases :-
(a) Maximum current (Im) increases
(b) Sharpness of the graph increases
(c) Quality factor increases
(d) Band width increases
(a) Maximum current (Im) increases
(b) Sharpness of the graph increases
(c) Quality factor increases
(d) Band width increases
Options
A.a, b, c
B.b, c, d
C.c, d, a
D.All
More Alternating Current Questions
An ac circuit contains a resistance of $1k\Omega$, a capacitor of $0.1\mu\text{ }F$ and an inductor of 1 mH connected in...In a circuit having a resistance of 100Ω connected is series with a capacitive reactance of 100Ω to an alterna...With increase in frequency of an AC supply, the capacitive reactance :...The value of current at half power points is :...Energy loss in pure capacitance in A.C. circuit is...