Current Electricity With rise in temperature the resistance of pure metals Increases First increases and then decreases Remains constant Decreases Increases First increases and then decreases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually An insulator A semiconductor A conductor None of the listed here An insulator A semiconductor A conductor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in None of the listed here m/Ω Ω/m Ω-m None of the listed here m/Ω Ω/m Ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Constantan Copper Silver Carbon Constantan Copper Silver Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductance is reciprocal of Inductance Resistance Capacitance Reluctance Inductance Resistance Capacitance Reluctance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across None of them Ri Either Rl or Ri Rl None of them Ri Either Rl or Ri Rl ANSWER DOWNLOAD EXAMIANS APP