Current Electricity In which of the following substances the resistance decreases with increase in temperature? Silver Carbon Copper Constantan Silver Carbon Copper Constantan 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 A closed switch has a resistance of Infinity About 50 ohms Zero About 500 ohms Infinity About 50 ohms Zero About 500 ohms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current passing through the circuit produces Magnetic effect Luminous effect Chemical effect Thermal effect Magnetic effect Luminous effect Chemical effect Thermal effect ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Power are additive Currents are additive Voltages are additive Elements have individual currents Power are additive Currents are additive Voltages are additive Elements have individual currents ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of Current density Resistance Resistivity None of the listed here Current density Resistance Resistivity None of the listed here ANSWER DOWNLOAD EXAMIANS APP