Physics

2nd Year Physics Chapter 16 MCQs

If your search is to get 2nd Year Physics Chapter 16 MCQs with Answers Alternating Current then you’ve landed on the right site. Alternating Current is produced by a voltage source whose polarity keeps on reversing with time. There are some AC Circuits and AC through a resistor, through a capacitor, and through an Inductor concept. There are different combinations of circuits that are R-C and R-L circuits. There are metal detectors that run on the AC concept. After this, there are electromagnetic waves and Principles of generation, Transmission and Reception of Electromagnetic Waves. In the end, there is the concept of Modulation. Now, check out the important MCQs of this chapter given below.

2nd Year Physics Chapter 16 MCQs with Answers Alternating Current

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Physics Chapter 16

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The series Resonance circuit is also known as

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In FM, when the signal amplitude is minimum, the frequency of the carrier wave is at its

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The voltage across any two lines in a three-phase A.C supply in volts is about

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When A.C flows through a purely capacitive circuit the phase difference b/w voltage V and charge q on the capacitor at any instant

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In a non-resonant series circuit, the nature of the circuit for frequencies higher than that of the resonance frequency is

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If the frequency of the A.C source in the RLC series circuit is increased, the current in the circuit

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The reactance of an inductor for direct current is

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Which one is more dangerous?

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The power factor is 1 for

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The inductor opposes the flow of

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If an inductor of inductance 1/ π henry is connected to an A.C supply of 50 Hz, then its reactance will be

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If the time period of alternating current is 10 milliseconds, the current reverses its direction after every

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If a television station transmits electromagnetic waves of frequency 100 Hz, then the wavelength of electromagnetic waves transmitted from the source will be

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Electromagnetic waves are

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An inductor is connected to a 220v, 50 Hz A.C source and then to a 220, 100 Hz source (choose correct option)

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In an A.C circuit, the resistance R is connected in series with an inductance L. If the phase difference between voltage and current is 45o, the value of inductive reactance will be

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In an A.C circuit, the current

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In RCL Series Circuit, the capacitance is made one-fourth when in resonance. What should be the change in inductance so that the circuit remains in resonance?

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The resonance frequency of the circuit is f. If the capacitance is made four times the initial value, the resonance frequency will become

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The time required by 50 Hz A.C to reach peak starting from zero is

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