Electromagnetic Induction & Alternating Currents (NEET (National Eligibility cum Medical Entrance Test) 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?

Graph of R, XL and XC

Graph of R, XL and XC

Figure shows the variation of R, XL and XC with frequency f in a LCR circuit.

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.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 119

» Electromagnetic Induction & Alternating Currents » Peak and RMS Value of AC

Appeared in Year: 2016

MCQ▾

Question

A Equation resistance and a capacitor is Equation reactance are connected in series across a Equation source. When the capacitor is Equation charged, the peak value of the displacement current is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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 Equation and Equation respectively in an L-C-R circuit. The power factor of this circuit is –

Choices

Choice (4) Response

a.

0.8

b.

Equation

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.

Equation

b.

Equation

c.

Equation

d.

Equation

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