Current Electricity Which of the following materials has the least resistivity ? Copper Mercury Lead Zinc Copper Mercury Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two ions Two atoms Two molecules Two metal particles Two ions Two atoms Two molecules Two metal particles ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Wire wound resistor Carbon resistor Metallic resistor Variable resistor Wire wound resistor Carbon resistor Metallic resistor Variable resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. Remains same Decreases Increases None of the listed here Remains same Decreases Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 6 watts 2 watts 4 watts 8 watts 6 watts 2 watts 4 watts 8 watts ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Varistors Semiconductors Variable resistors Thermistor Varistors Semiconductors Variable resistors Thermistor ANSWER DOWNLOAD EXAMIANS APP
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