Electromagnetic Induction & Alternating Currents (NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics): Questions 116  119 of 124
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Question number: 116
» Electromagnetic Induction & Alternating Currents » LCR Series Circuit
Question
For series LCR circuit, correct statements are
(1) Applied e. m. f. and potential difference across resistance may be in phase
(2) Applied e. m. f. and potential difference at inductor coil have phase difference of π/2
(3) Potential difference across resistance and capacitor have phase difference of π/2
(4) Potential difference at capacitor and inductor have phase difference of π/2
Select the correct answers and mark it according to the following codes:
Codes:
Choices
Choice (4)  Response  

a.  1 and 3 are correct 

b.  2 and 4 are correct 

c.  1,2 and 3 are correct 

d.  1 and 2 are correct 

Question number: 117
» Electromagnetic Induction & Alternating Currents » LCR Series Circuit
Question
The figure shows variation of R, X _{L} and X _{C} with frequency f in a series LCR circuit. Then for what frequency point, the circuit is inductive?
Choices
Choice (4)  Response  

a.  A 

b.  B 

c.  C 

d.  All of the above 

Question number: 118
» Electromagnetic Induction & Alternating Currents » LCR Series Circuit
Question
For a series LCR circuit R = X _{L} = 2X _{C}. The impedance of the circuit and phase difference between V and I respectively will be
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 119
» Electromagnetic Induction & Alternating Currents » Peak and RMS Value of AC
Appeared in Year: 2016
Question
A resistance and a capacitor is reactance are connected in series across a source. When the capacitor is charged, the peak value of the displacement current is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

