Electric Circuits Which part of magnetic path requires largest mmf? Inductance. Core. Air gap. Coil. Inductance. Core. Air gap. Coil. 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. each of them increases. each of them decreases. copper decreases and germanium increases. copper increases and germanium decreases. each of them increases. each of them decreases. copper decreases and germanium increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which material has extremely large resistance? Conductor None of these Semiconductor Insulator Conductor None of these Semiconductor Insulator ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Emf induced in a coil rotating in a uniform magnetic field will be maximum when the rate of change of flux linkage is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. flux linking with the coil is maximum. rate of change of flux linkage is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. flux linking with the coil is maximum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits There are two capacitors C1 and C2 in parallel , what will be their equivalent capacitance? C1 + C2. C1C2. (C1C2) / C1 + C2. (C1 + C2) / C1C2. C1 + C2. C1C2. (C1C2) / C1 + C2. (C1 + C2) / C1C2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the three colour bands of a resistor are grey, violet and gold, what is the value of the resistor? 6.7 ohms. 9.7 ohms. 8.7 ohms. 7.7 ohms. 6.7 ohms. 9.7 ohms. 8.7 ohms. 7.7 ohms. ANSWER DOWNLOAD EXAMIANS APP
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