Current Electricity A field of force can exist only between Two molecules Two ions Two atoms Two metal particles Two molecules Two ions Two atoms Two metal particles ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Resistance Capacitance Impedance Inductance Resistance Capacitance Impedance Inductance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Temperature Area of cross-section Length Resistivity Temperature Area of cross-section Length Resistivity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 1000 ohm 200 ohm 25 ohm 10 ohm 1000 ohm 200 ohm 25 ohm 10 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Carbon Copper Constantan Silver Carbon Copper Constantan Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of 220 V, 100 W lamp will be 48.4 Q 4840 Q 4.84 Q 484 ft 48.4 Q 4840 Q 4.84 Q 484 ft ANSWER DOWNLOAD EXAMIANS APP