Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of copper decreases and germanium increases. each of them decreases. each of them increases. copper increases and germanium decreases. copper decreases and germanium increases. each of them decreases. each of them increases. copper increases and germanium decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is the different one in terms of measurements? L/R 2L/R RC Q L/R 2L/R RC Q ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The frequency of EMF generated by a generator depends upon its nature of supply. both speed and number of poles. speed. number of poles. nature of supply. both speed and number of poles. speed. number of poles. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit, at resonance condition the value of current is Zero None of these Maximum Minimum Zero None of these Maximum Minimum ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Under resonance condition the phase angle between voltage phase and current phase is - 90° 90° 45° 0° - 90° 90° 45° 0° ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Silver coating is provided for protective purpose. decorative purpose. all of above. bearing surfaces. protective purpose. decorative purpose. all of above. bearing surfaces. ANSWER DOWNLOAD EXAMIANS APP
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