Current Electricity If the efficiency of a machine is to be high, what should be low? Losses kWh consumed True component of power Input power Losses kWh consumed True component of power Input power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Insulators Semi-conductors Conductors Inductors Insulators Semi-conductors Conductors Inductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is Positive About 2 ohms per degree Negative Zero Positive About 2 ohms per degree Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All of the following are equivalent to watt except (Amperes) ohm Amperes/volt Amperes × volts Joules/sec. (Amperes) ohm Amperes/volt Amperes × volts Joules/sec. ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Resistor with zero temperature co-efficient Insulators Non-linear resistors Carbon resistors Resistor with zero temperature co-efficient Insulators Non-linear resistors Carbon resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same Potential None of the listed here Capacity Charge Potential None of the listed here Capacity Charge ANSWER DOWNLOAD EXAMIANS APP
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