Current Electricity If the efficiency of a machine is to be high, what should be low? True component of power Losses Input power kWh consumed True component of power Losses Input power kWh consumed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric pressure is also called Energy Power Resistance Voltage Energy Power Resistance Voltage ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in Ω-m None of the listed here m/Ω Ω/m Ω-m None of the listed here m/Ω Ω/m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two metal particles Two atoms Two ions Two molecules Two metal particles Two atoms Two ions Two molecules ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used As heating elements As current stabilizers To suppress surges For inductive circuits As heating elements As current stabilizers To suppress surges For inductive circuits ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 4 : 25 2 : 5 25 : 4 5 : 2 4 : 25 2 : 5 25 : 4 5 : 2 ANSWER DOWNLOAD EXAMIANS APP