Current Electricity The resistance of conductor varies inversely as Temperature Resistivity Length Area of cross-section Temperature Resistivity Length Area of cross-section ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Impedance Capacitance Resistance Inductance Impedance Capacitance Resistance Inductance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of mhos/°C mhos/ohm°C ohms/°C ohms/ohm°C mhos/°C mhos/ohm°C ohms/°C ohms/ohm°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. Increases None of the listed here Decreases Remains same Increases None of the listed here Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Positive temperature coefficient Negative temperature coefficient Variable temperature coefficient Zero temperature coefficient Positive temperature coefficient Negative temperature coefficient Variable temperature coefficient Zero temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When current flows through heater coil it glows but supply wiring does not glow because Supply wiring is covered with insulation layer Current through supply line flows at slower speed Resistance of heater coil is more than the supply wires Supply wires are made of superior material Supply wiring is covered with insulation layer Current through supply line flows at slower speed Resistance of heater coil is more than the supply wires Supply wires are made of superior material ANSWER DOWNLOAD EXAMIANS APP