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 Negative Zero About 2 ohms per degree Positive Negative Zero About 2 ohms per degree ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as One joule second Five joules One joule One watt One joule second Five joules One joule One watt ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove Third electron from the orbit First electron from the orbit Any electron from the orbit Second electron from the orbit Third electron from the orbit First electron from the orbit Any electron from the orbit Second electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electric filament bulb can be worked from All of the listed here Battery supply only DC supply only AC supply only All of the listed here Battery supply only DC supply only AC supply only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current is a Scalar quantity Sometimes scalar and sometimes vector Vector quantity Number only Scalar quantity Sometimes scalar and sometimes vector Vector quantity Number only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? kWh consumed Losses True component of power Input power kWh consumed Losses True component of power Input power ANSWER DOWNLOAD EXAMIANS APP