Alternating CurrentHard
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
In an AC circuit the maximum value of voltage is 423 volt, Its effective voltage is :-...In a series LCR circuit voltage across resister, induetor and capaceter are 1V, 3V and 2V respectively. At the instant t...The diagram shows a capacitor C and a resistor R connected in series to an AC source, V1 and V2 are voltmeters and A is ...For given circuit the power factor is :...In a resistance of 25 Ω A.C. is passed to produce heat of the rate of 250 watt. The value of current in the resista...