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 increases. copper increases and germanium decreases. each of them decreases. copper decreases and germanium increases. each of them increases. copper increases and germanium decreases. each of them decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the followings is/are active element? Voltage source Both Current source None of these. Voltage source Both Current source None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the circuit shown in the given figure the current I is given by 3 A. 2 A. 1 A. 4 A. 3 A. 2 A. 1 A. 4 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Air gap flux density is of the order of 0.35 - 0.5 T. 0.85 - 0.9 T. 0.65 - 0.9 T. 0.75 - 0.8 T. 0.35 - 0.5 T. 0.85 - 0.9 T. 0.65 - 0.9 T. 0.75 - 0.8 T. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electric flux is proportional to potential difference between electrodes. rate of change of current. rate of change of potential difference. resistivity of medium. potential difference between electrodes. rate of change of current. rate of change of potential difference. resistivity of medium. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which variety of copper has the best mechanical strength ? Soft copper. Hard drawn copper. Annealed copper. Cast copper. Soft copper. Hard drawn copper. Annealed copper. Cast copper. ANSWER DOWNLOAD EXAMIANS APP
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