Electromagnetic Induction & Alternating Currents (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 117 - 121 of 124

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Question number: 117

» Electromagnetic Induction & Alternating Currents » LCR Series Circuit

MCQ▾

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

MCQ▾

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

MCQ▾

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.

Question number: 120

» Electromagnetic Induction & Alternating Currents » Reactance and Impedance

Appeared in Year: 2016

MCQ▾

Question

The potential differences across the resistance, capacitance and inductance are and respectively in an L-C-R circuit. The power factor of this circuit is –

Choices

Choice (4) Response

a.

0.8

b.

c.

0.4

d.

0.5

Question number: 121

» Electromagnetic Induction & Alternating Currents » Quality Factor

Appeared in Year: 2016

MCQ▾

Question

Which of the following combination should be selected for better tuning of an L-C-R circuit used for communication?

Choices

Choice (4) Response

a.

b.

c.

d.

f Page