Current Electricity Temperature coefficient of resistance is expressed in terms of mhos/°C ohms/ohm°C mhos/ohm°C ohms/°C mhos/°C ohms/ohm°C mhos/ohm°C ohms/°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. Almost zero Positive Negative None of the listed here Almost zero Positive Negative None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Temperature Area of cross-section Length Resistivity Temperature Area of cross-section Length Resistivity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in Ω-m m/Ω Ω/m None of the listed here Ω-m m/Ω Ω/m None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Zinc Lead Copper Mercury Zinc Lead Copper Mercury ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 40 W 20 W 60 W 10 W 40 W 20 W 60 W 10 W ANSWER DOWNLOAD EXAMIANS APP