Electromagnetic Induction & Alternating Currents (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 122 - 124 of 124

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Question number: 122

» Electromagnetic Induction & Alternating Currents » LCR Series Circuit

Appeared in Year: 2017

MCQ▾

Question

Figure shows a circuit that contains three identical resistors with resistance each, two identical inductors with inductance each and an ideal battery with emf . The current through the battery just after the switch closed is –

Circuit diagram consist of three resistors

Circuit Diagram Consist of Three Resistors

In figure circuit diagram consists of three resistors, two inductors and a capacitor, is shown.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 123

» Electromagnetic Induction & Alternating Currents » AC Generator and Transformer

Appeared in Year: 2017

MCQ▾

Question

In a common emitter transistor amplifier the audio signal voltage across the collector is 3V. The resistance of collector is . If current gain is and the base resistance is , the voltage and power gain of the amplifier is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 124

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

Appeared in Year: 2017

MCQ▾

Question

In an electromagnetic wave in free space the root mean square value of the electric field is The peak value of the magnetic field is:

Choices

Choice (4) Response

a.

b.

c.

d.

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