Electromagnetic Induction & Alternating Currents (NEET Physics): Questions 95  99 of 121
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Question number: 95
» Electromagnetic Induction & Alternating Currents » Power in AC Circuits
Question
In an ac circuit, V and I are given by ,
. The average power dissipated in circuit is
Choices
Choice (4)  Response  

a.  2.5 watt 

b.  10 ^{4 } watt 

c.  10 watt 

d.  0.025 watt 

Question number: 96
» Electromagnetic Induction & Alternating Currents » Resonance
Question
This circuit will resonate at ω equal to,
Choices
Choice (4)  Response  

a.  200 rad s ^{1} 

b.  2000 rad s ^{1} 

c.  50 rad s ^{1} 

d.  500 rad s ^{1} 

Question number: 97
» Electromagnetic Induction & Alternating Currents » Quality Factor
Question
In an LCR circuit, the sharpness of resonance depends on
Choices
Choice (4)  Response  

a.  Capacitance C 

b.  Inductance L 

c.  Resistance R 

d.  All a. , b. and c. are correct 

Question number: 98
» Electromagnetic Induction & Alternating Currents » LCR Series Circuit
Question
In the circuit shown in figure neglecting source resistance the voltmeter and ammeter reading will respectively, be
Choices
Choice (4)  Response  

a.  0V, 8A 

b.  0V, 3A 

c.  150 V, 6A 

d.  150V, 3A 

Question number: 99
» Electromagnetic Induction & Alternating Currents » LCR Series Circuit
Question
For the series LCR circuit shown in the figure, what is the resonance frequency and the amplitude of the current at the resonating frequency
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

