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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-ALTERNATING CURRENT AND ELECTROMAGNETIC WAVES-All Questions
- In the given circuit, Fig., the reading of voltmeter V(1) and V(2) 300...
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- A 220 V input is supplied to a transformer. The output circuit draws a...
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- Power dissipated in an L-C-R series circuit connected to an AC source ...
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- The electric field part of an electromagnetic wave in a medium is repr...
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- In any AC circuit the emf (e) and the current (i) at any instant are g...
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- The velocity of electromagnetic radiatior in a medium of permittivity ...
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- A transformer is used to light a 100 W and 110 V lamp from a 220V main...
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- The primary and secondary coils of a transmformer have 50 and 1500 tur...
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- What is the value of inductance L for which the current is a maximum i...
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- A coil of inductive reactance 31 Omega has a resistance of 8 ohm. It i...
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- The core of any transformaer is laminated so as to
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- if lamda(v),lamda(x) and lamda(m) represent the wavelengths of visible...
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- In a circuit L, C and R are connected in series with an alternating vo...
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- 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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