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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-ALTERNATING CURRENT AND ELECTROMAGNETIC WAVES-All Questions
- Which of the following are not electromagnetic waves ?
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- For a series L C R circuit, the power loss at resonance is
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- Which of the following has minimum wavelenght?
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- The velocity of electromagnetic wave is along the direction of
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- What is the cause of "Green house effect"?
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- In a certain region of space electric field E and magnetic field B are...
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- The reactance of a capacitor of capacitance C is X. If both th frequen...
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- A wire of reistance R is connected in series with an inductor of rea...
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- In a circuit inductance L and capacitance C are connected as shown in...
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- The electromagnetic radiations are caused by
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- Ozone layer blocks the radiaitons of wave length
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- A step up transformer operates on a 230 V line and a load current of 2...
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- If epsilon0 and mu0 are respectively the electric permittivity and the...
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- The primary winding of transformer has 500 turns whereas its secondary...
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- In an AC circuit with voltage V and current I, the power dissipated is
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- In an experiment, 200V AC is applied at the end of an LCR circuit. The...
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- The oscillating electric and magnetic vectors of an electromagnetic wa...
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- An LCR circuit is connected to a source of alternating current. At res...
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- In an AC circuit, the mass value of the current I("rms") is related to...
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- A signal emitted by an antenna from a certain point can be received at...
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