RPET Physics Solved Paper 2013
31. Question
The current gain for a transistor used in common-emitter configuration is 98. If the load resistance be 1 MΩ and the internal resistance is 600 Ω, what is the voltage gain?
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32. Question
The following configuration (figure) of gate is equivalent to
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33. Question
A body at 1500 K emits minimum energy at a wavelength 20,000A. If the sun emits maximum energy at wavelength 55000 A, then the temperature of sun is
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34. Question
In diode, when there is saturateon current, the plate resistance (rp) is
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35. Question
Two closed pipes, one filled with 02 and other with H2 have the same fundamental frequency. Find the ratio of their lengths
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