Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 1.5 0.5 1 0.6 1.5 0.5 1 0.6 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Inductance Resistance Capacitance Impedance Inductance Resistance Capacitance Impedance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 60 W 10 W 20 W 40 W 60 W 10 W 20 W 40 W 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 66 V 80 V 132 V 33 V 66 V 80 V 132 V 33 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current is a Number only Scalar quantity Sometimes scalar and sometimes vector Vector quantity Number only Scalar quantity Sometimes scalar and sometimes vector Vector quantity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Increases First increases and then decreases Decreases Remains constant Increases First increases and then decreases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP