Current Electricity Insulators have _______ temperature co-efficient of resistance. Negative None of the listed here Zero Positive Negative None of the listed here Zero Positive 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. Inductor Resistor Capacitor Reactor Inductor Resistor Capacitor Reactor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is 80 V 132 V 33 V 66 V 80 V 132 V 33 V 66 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Thermal conductivity Reluctance Conductance Resistance Thermal conductivity Reluctance Conductance Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of Zero About 500 ohms About 50 ohms Infinity Zero About 500 ohms About 50 ohms Infinity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to High currents Dc circuits Semi-conductors Small resistors High currents Dc circuits Semi-conductors Small resistors ANSWER DOWNLOAD EXAMIANS APP