Current Electricity Voltage dependent resistors are usually made from Nichrome Graphite Charcoal Silicon carbide Nichrome Graphite Charcoal Silicon carbide ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following quantities remain the same in all parts of a series circuit? Current Resistance Power Voltage Current Resistance Power Voltage 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
Current Electricity If an electric current is passed through a nerve, the man Begins to weep Begins to laugh Is excited Becomes insensitive to pain Begins to weep Begins to laugh Is excited Becomes insensitive to pain ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Heater will burn out Decreases Remains same Increases Heater will burn out Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has higher wattage rating Has lower wattage rating Has large number of turns Offers large number of tapping Has higher wattage rating Has lower wattage rating Has large number of turns Offers large number of tapping ANSWER DOWNLOAD EXAMIANS APP