Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 100 V 200 V 150 V 50 V 100 V 200 V 150 V 50 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Impedance Resistance Capacitance Inductance Impedance Resistance Capacitance Inductance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The example of non-ohmic resistance is Carbon resistance Aluminium wire tungsten wire Copper wire Carbon resistance Aluminium wire tungsten wire Copper wire ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Carbon Manganin Copper Porcelain Carbon Manganin Copper Porcelain ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Varistors Semiconductors Variable resistors Thermistor Varistors Semiconductors Variable resistors Thermistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Charcoal Nichrome Silicon carbide Graphite Charcoal Nichrome Silicon carbide Graphite ANSWER DOWNLOAD EXAMIANS APP
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