Current Electricity If an electric current is passed through a nerve, the man Becomes insensitive to pain Begins to laugh Begins to weep Is excited Becomes insensitive to pain Begins to laugh Begins to weep Is excited ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? True component of power Input power Losses kWh consumed True component of power Input power Losses kWh consumed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of mhos/ohm°C mhos/°C ohms/°C ohms/ohm°C mhos/ohm°C mhos/°C ohms/°C ohms/ohm°C 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 About 2 ohms per degree Positive Negative Zero About 2 ohms per degree Positive Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. Decreases None of the listed here Remains unchanged Increases Decreases None of the listed here Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Silicon carbide Charcoal Graphite Nichrome Silicon carbide Charcoal Graphite Nichrome ANSWER DOWNLOAD EXAMIANS APP