Current Electricity In which of the following substances the resistance decreases with increase in temperature? Constantan Copper Carbon Silver Constantan Copper Carbon Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 9 times 1/9 times 3 times 1/3 times 9 times 1/9 times 3 times 1/3 times 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 Specific resistance of a substance is measured in m/Ω Ω-m None of the listed here Ω/m m/Ω Ω-m None of the listed here Ω/m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be High Low Any value Very low High Low Any value Very low ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductance is reciprocal of Inductance Capacitance Resistance Reluctance Inductance Capacitance Resistance Reluctance ANSWER DOWNLOAD EXAMIANS APP