Electric Circuits Resistance of which material does not change with change in temperature? Tungsten. Brass. Platinum. Metal alloys constantan and manganin. Tungsten. Brass. Platinum. Metal alloys constantan and manganin. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Twelve 6 Ω resistor used as edge to form a cube. The resistance between two diagonally opposite corner of the cube is 5 Ω. 5 / 6 Ω. 6 Ω. 6 / 5 Ω. 5 Ω. 5 / 6 Ω. 6 Ω. 6 / 5 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 100 μF capacitor supplied from 3 V source with a frequency of 50 Hz. The capacitive reactance is 15.92 Ω. 7.96 Ω. 63.68 Ω. 31.84 Ω. 15.92 Ω. 7.96 Ω. 63.68 Ω. 31.84 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A ceramic and a mica capacitor have the same physical dimension. Which has the higher value of capacitance? Mica capacitor. It is impossible to conclude on the basis of information supplied. Both have identical value of capacitor. Ceramic capacitor. Mica capacitor. It is impossible to conclude on the basis of information supplied. Both have identical value of capacitor. Ceramic capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A. 0.5 1 3.149 2.56 0.5 1 3.149 2.56 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In direct arc furnace which of following is of high value? All of above. Power factor. Current. Voltage. All of above. Power factor. Current. Voltage. ANSWER DOWNLOAD EXAMIANS APP