Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of 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. copper increases and germanium decreases. each of them increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Magnetic flux has the unit of Tesla Ampere turn Weber Newton Tesla Ampere turn Weber Newton ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A periodic voltage having the Fourier series V(t)= {1 + 4sinω0t} 11 W. 24.5 W. 1 W. 21 W. 11 W. 24.5 W. 1 W. 21 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two electric bulbs have transparent filament of same thickness. It one of them gives 60 W and other gives 100 W, then- 60 W lamp filament has longer length. 60 W lamp filament has shorter length. 60 W and 100 W lamp filament have equal length. 100 W lamp filament has longer length. 60 W lamp filament has longer length. 60 W lamp filament has shorter length. 60 W and 100 W lamp filament have equal length. 100 W lamp filament has longer length. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of sine wave is 100 A. Its peak value is 70.7 A. 282.8 A. 141.4 A. 150 A. 70.7 A. 282.8 A. 141.4 A. 150 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistivity of semi-conductors at room temperatures is 0.01 to 50 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 ohm - cm. 109 to 1012 ohm - cm. 0.01 to 50 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 ohm - cm. 109 to 1012 ohm - cm. ANSWER DOWNLOAD EXAMIANS APP
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