Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. Remains unchanged Increases Decreases None of the listed here Remains unchanged Increases Decreases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Lead Mercury Copper Zinc Lead Mercury Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Negative None of the listed here Positive Zero Negative None of the listed here Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is 33 V 132 V 80 V 66 V 33 V 132 V 80 V 66 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductance is reciprocal of Inductance Reluctance Resistance Capacitance Inductance Reluctance Resistance Capacitance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electric filament bulb can be worked from DC supply only All of the listed here AC supply only Battery supply only DC supply only All of the listed here AC supply only Battery supply only ANSWER DOWNLOAD EXAMIANS APP
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