ECAT Pre General Science Chapter 16 online mcq test with answers for Physics chapter 16 (Alternating Current)

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ECAT Pre General Science Physics Chapter 16 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 16 Alternating Current

ECAT Pre General Science Physics Chapter 16 Alternating Current

A resonance curve for RLC series circuit is a plot of frequency versus

A changing magnetic flux creates around itself

The basic circuit element in A.C. circuits are:

Due to the high value of the input resistance, practically, the value of the current which flows between the input terminals is

The value of current gain of n-p-n transistor is of the order of

The device which allows only the flow of an A.C. through a circuit is

The basic circuit element in D.C. circuit is:

The value of output resistance of OP-AMOP is of the order of

At higher frequency of the alternating current, the capacitive reactance Xc

Chock consumes externally small

A signal appears after amplification, at the output terminal with a phase shift of 180° , if it is applied at

A signal is amplified at the output without any change of phase, if it is applied at the

In which of the following components, pn-junction is used

The waveform of alternating voltage is a:

In n-p-n transistor, emitter base junction is kept

In a transistor, the central region is called

Peak value of alternative current is:

A P-N juction or semiconductor diode cannot be used as

An A.C varies as a function of

In frequency modulation (FM), the carrier waves amplitude

Which one of the following Electro-magnetic wave have the highest frequency and shortest wave-length

The value of the potential difference across the depletion region for the case of germanium is

SI unit of impedance is

A p-n junction is formed when a crystal of silicon is growth in such a way that its one half is doped with trivalent impurity and the other half with a impurity from

The highest value reached by the voltage or current:

If the value of C in a series RLC circuit is increased, the resonant frequency

In describing functions of digital systems, a closed switch will be shown as

During the positive half-cycle in the half-wave rectification,the diode

In series RC circuit when R=Xc, then the phase angle is

Unless stated otherwise, when we speak of A.C. meter reading, we usualy mean:

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 16 Alternating Current MCQs Online With Answers

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At higher frequency of the alternating current, the capacitive reactance X_c

In series RC circuit when R=X_c, then the phase angle is