Electric Circuits The electrical resistance of human body is around 25 ohms. 5 ohms. 1000 ohms. 250 ohms. 25 ohms. 5 ohms. 1000 ohms. 250 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of copper increases and germanium decreases. copper decreases and germanium increases. each of them increases. each of them decreases. copper increases and germanium decreases. copper decreases and germanium increases. each of them increases. each of them decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Can a 250 V, 5 A single way switch be used in place of a 250 V, 15 A Switch? Yes. Single way switch doesn operate at such current ratings. No. Single way switch doesn exist. Yes. Single way switch doesn operate at such current ratings. No. Single way switch doesn exist. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current leads the emf by 90o. is in phase with emf. lags the emf by 90o. leads the emf by - 90o. leads the emf by 90o. is in phase with emf. lags the emf by 90o. leads the emf by - 90o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is constant, then shape of the current locus is straight line. triangle. semi circle. circle. straight line. triangle. semi circle. circle. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of intensity of magnetisation to the magnetising force is known as relative permeability. flux density. none of above. susceptibility. relative permeability. flux density. none of above. susceptibility. ANSWER DOWNLOAD EXAMIANS APP
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