Current Electricity In which of the following substances the resistance decreases with increase in temperature? Silver Carbon Constantan Copper Silver Carbon Constantan Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Resistor with zero temperature co-efficient Carbon resistors Insulators Non-linear resistors Resistor with zero temperature co-efficient Carbon resistors Insulators Non-linear resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of Resistance None of the listed here Current density Resistivity Resistance None of the listed here Current density Resistivity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Very low Any value High Low Very low Any value High Low ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Carbon Copper Manganin Porcelain Carbon Copper Manganin Porcelain ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electrical lamp coonsumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is 5 kWh 5 kWh 0.005 kWh 0.05 kWh 5 kWh 5 kWh 0.005 kWh 0.05 kWh ANSWER DOWNLOAD EXAMIANS APP
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