Current Electricity If the efficiency of a machine is to be high, what should be low? True component of power Losses kWh consumed Input power True component of power Losses kWh consumed Input power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Carbon resistors Insulators Non-linear resistors Resistor with zero temperature co-efficient Carbon resistors Insulators Non-linear resistors Resistor with zero temperature co-efficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In case of liquids, ohm's law is Partially obeyed There is no relation between current and p. d None of the listed here Fully obeyed Partially obeyed There is no relation between current and p. d None of the listed here Fully obeyed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a series circuit with unequal resistances The highest resistance has the highest voltage drop The lowest resistance has the highest voltage drop The lowest resistance has the highest current The highest resistance has the most of the current through it The highest resistance has the highest voltage drop The lowest resistance has the highest voltage drop The lowest resistance has the highest current The highest resistance has the most of the current through it 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 A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 1000 Ω 400 Ω 800 Ω 600 Ω 1000 Ω 400 Ω 800 Ω 600 Ω ANSWER DOWNLOAD EXAMIANS APP