Current Electricity Ohm's law is not applicable to High currents Semi-conductors Small resistors Dc circuits High currents Semi-conductors Small resistors Dc circuits ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Variable resistor Metallic resistor Wire wound resistor Carbon resistor Variable resistor Metallic resistor Wire wound resistor Carbon resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Resistor Capacitor Inductor Reactor Resistor Capacitor Inductor Reactor 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. Thermistor Varistors Variable resistors Semiconductors Thermistor Varistors Variable resistors Semiconductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Mercury Zinc Lead Copper Mercury Zinc Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Resistance Inductance Capacitance Impedance Resistance Inductance Capacitance Impedance ANSWER DOWNLOAD EXAMIANS APP